/* ============================================================
   MONEROWAY — Terminal Theme
   Inspired by TN3270 mainframe & classic Unix terminals
   ============================================================ */

/* ----- Custom Properties ----- */
:root {
    --green:        #00ff41;
    --green-dim:    #00b32d;
    --green-dark:   #002b0a;
    --cyan:         #00e5ff;
    --cyan-dim:     #0099bb;
    --yellow:       #ffcc00;
    --yellow-dim:   #aa8800;
    --red:          #ff3333;
    --red-dim:      #aa1111;
    --white:        #e0ffe0;
    --bg:           #050505;
    --bg-panel:     #0a0a0a;
    --bg-elevated:  #111111;
    --bg-input:     #000000;
    --border:       #1a4d1a;
    --border-mid:   #2a6b2a;
    --border-bright:#00ff41;
    --text:         #00cc33;
    --text-dim:     #336633;
    --font:         'Courier New', 'Lucida Console', 'Monaco', 'Consolas', monospace;
}

/* ----- Reset ----- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

/* Scanline overlay */
body {
    font-family: var(--font);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.06) 2px,
        rgba(0, 0, 0, 0.06) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

@media (max-width: 768px), (prefers-reduced-motion: reduce) {
    body::after {
        display: none;
    }
}

img { max-width: 100%; height: auto; display: block; }

a {
    color: var(--cyan);
    text-decoration: none;
    transition: color 0.1s;
}
a:hover {
    color: var(--yellow);
    text-decoration: none;
}

ul, ol { list-style: none; }
table  { border-collapse: collapse; width: 100%; }

/* Blinking cursor */
@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font);
    font-weight: bold;
    line-height: 1.3;
    color: var(--green);
    margin-bottom: 0.5em;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h1 { font-size: 1.5rem;    color: var(--white); }
h2 { font-size: 1.25rem;   color: var(--cyan); }
h3 { font-size: 1.125rem;  color: var(--green); }
h4 { font-size: 1rem; }
h5 { font-size: 0.9375rem; }
h6 { font-size: 0.875rem; }

p { margin-bottom: 1rem; }
small { font-size: 0.8125rem; }

.text-muted   { color: var(--text-dim); }
.text-success { color: var(--green); }
.text-danger  { color: var(--red); }
.text-warning { color: var(--yellow); }
.text-primary { color: var(--cyan); }

/* ----- Layout ----- */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.container-narrow { max-width: 720px; }

.site-main {
    flex: 1;
    padding: 1.5rem 0;
}

/* Grid */
.grid   { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex utilities */
.flex            { display: flex; }
.flex-wrap       { flex-wrap: wrap; }
.flex-col        { flex-direction: column; }
.items-center    { align-items: center; }
.items-start     { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Spacing */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ----- Terminal Title Bar ----- */
.term-titlebar {
    background-color: var(--green);
    color: var(--bg);
    padding: 0.15rem 1rem;
    font-size: 0.75rem;
    font-family: var(--font);
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.term-titlebar-left  { display: flex; gap: 2rem; }
.term-titlebar-right { display: flex; gap: 2rem; }

/* ----- Navigation ----- */
.site-header {
    background-color: var(--bg-panel);
    border-bottom: 2px solid var(--border-bright);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar { padding: 0; }

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 46px;
}

.navbar-brand {
    font-size: 1.125rem;
    font-weight: bold;
    color: var(--green);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0 1rem;
}
.navbar-brand::before { content: '> '; color: var(--yellow); }
.navbar-brand:hover { color: var(--white); text-decoration: none; }

.navbar-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-bright);
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    color: var(--green);
    font-family: var(--font);
    font-size: 0.875rem;
    margin-right: 0.75rem;
}

.navbar-toggle-icon {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--green);
    position: relative;
}
.navbar-toggle-icon::before,
.navbar-toggle-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--green);
    left: 0;
}
.navbar-toggle-icon::before { top: -6px; }
.navbar-toggle-icon::after  { top: 6px; }

.navbar-nav {
    display: flex;
    align-items: stretch;
    height: 46px;
}

.nav-item { position: relative; display: flex; }

.nav-link {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    color: var(--text);
    font-size: 0.8125rem;
    font-family: var(--font);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-left: 1px solid var(--border);
    white-space: nowrap;
    transition: background-color 0.1s, color 0.1s;
}
.nav-link:hover {
    color: var(--bg);
    background-color: var(--green);
    text-decoration: none;
}

/* Dropdown */
.nav-dropdown .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-bright);
    border-top: none;
    padding: 0.25rem 0;
    z-index: 1001;
}
.nav-dropdown:hover .dropdown-menu { display: block; }

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.4rem 1rem 0.4rem 1.5rem;
    color: var(--text);
    font-size: 0.8125rem;
    font-family: var(--font);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    letter-spacing: 0.03em;
}
.dropdown-item:hover {
    background-color: var(--green-dark);
    color: var(--green);
    text-decoration: none;
}

.dropdown-item-danger       { color: var(--red); }
.dropdown-item-danger:hover { background-color: #1a0000; color: var(--red); }

.dropdown-divider {
    height: 1px;
    margin: 0.25rem 0;
    background-color: var(--border);
}

.dropdown-form { margin: 0; padding: 0; }

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 1rem;
    /* WCAG 2.5.5 / Apple HIG minimum touch target */
    min-height: 44px;
    font-size: 0.8125rem;
    font-family: var(--font);
    font-weight: bold;
    line-height: 1.5;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid var(--border-bright);
    background-color: transparent;
    color: var(--green);
    cursor: pointer;
    transition: background-color 0.1s, color 0.1s;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    border-radius: 0;
}
.btn::before { content: '[ '; }
.btn::after  { content: ' ]'; }

.btn:hover { background-color: var(--green); color: var(--bg); text-decoration: none; }
.btn:focus { outline: none; box-shadow: 0 0 0 2px rgba(0,255,65,0.4); }
.btn:disabled, .btn.disabled { opacity: 0.35; cursor: not-allowed; pointer-events: none; }

.btn-primary  { border-color: var(--cyan);    color: var(--cyan); }
.btn-primary:hover  { background-color: var(--cyan);    color: var(--bg); }

.btn-secondary { border-color: var(--text-dim); color: var(--text-dim); }
.btn-secondary:hover { background-color: var(--text-dim); color: var(--bg); }

.btn-success  { border-color: var(--green);   color: var(--green); }
.btn-success:hover  { background-color: var(--green);   color: var(--bg); }

.btn-danger   { border-color: var(--red);     color: var(--red); }
.btn-danger:hover   { background-color: var(--red);     color: var(--bg); }

.btn-warning  { border-color: var(--yellow);  color: var(--yellow); }
.btn-warning:hover  { background-color: var(--yellow);  color: var(--bg); }

.btn-outline  { border-color: var(--border-mid); color: var(--text); }
.btn-outline:hover  { background-color: var(--green); border-color: var(--green); color: var(--bg); }

.btn-sm    { padding: 0.15rem 0.6rem; font-size: 0.75rem; }
.btn-lg    { padding: 0.55rem 1.5rem; font-size: 0.9375rem; }
.btn-block { display: block; width: 100%; }

.btn-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ----- Forms ----- */
.form-group { margin-bottom: 1.25rem; }

.form-label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.8125rem;
    font-family: var(--font);
    color: var(--yellow);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-label-optional {
    color: var(--text-dim);
    font-size: 0.75rem;
    text-transform: none;
}

.form-control,
.form-input {
    display: block;
    width: 100%;
    padding: 0.4rem 0.6rem;
    font-size: 0.9375rem;
    font-family: var(--font);
    line-height: 1.5;
    color: var(--green);
    background-color: var(--bg-input);
    border: 1px solid var(--border-mid);
    transition: border-color 0.1s, box-shadow 0.1s;
    appearance: none;
    border-radius: 0;
}

.form-control::placeholder,
.form-input::placeholder  { color: var(--text-dim); opacity: 0.7; }

.form-control:focus,
.form-input:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 6px rgba(0, 255, 65, 0.25);
    color: var(--white);
}

.form-control.is-invalid,
.form-input.is-invalid,
.has-error .form-control,
.has-error .form-input    { border-color: var(--red); }

textarea.form-control,
textarea.form-input { min-height: 100px; resize: vertical; }

select.form-control,
select.form-input {
    padding-right: 2rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2300ff41' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    background-size: 14px 10px;
    cursor: pointer;
}

select.form-control option,
select.form-input option { background-color: var(--bg-panel); color: var(--green); }

.form-text, .form-hint {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.form-error {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.8125rem;
    color: var(--red);
}
.form-error::before { content: '! '; }

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--green);
}

.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; }

.form-inline { display: flex; align-items: flex-end; gap: 0.75rem; }
.form-actions { margin-top: 1.5rem; }

/* Page header */
.page-header { margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.page-header h1 { margin-bottom: 0.25rem; }
.page-header p  { color: var(--text-dim); margin: 0; font-size: 0.875rem; }

/* Form container */
.form-container { max-width: 720px; }

/* Form help text */
.form-help {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 0.4rem;
    margin-top: -0.1rem;
}

/* Required marker */
.required { color: var(--red); }

/* Half-width form groups in a row */
.form-group-half { flex: 1; }

/* Toggle button group */
.btn-group-toggle {
    display: inline-flex;
    border: 1px solid var(--border-mid);
}

.btn-toggle {
    display: block;
    padding: 0.5rem 1.25rem;
    font-size: 0.8125rem;
    font-family: var(--font);
    color: var(--text-dim);
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-mid);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: background-color 0.1s, color 0.1s;
    user-select: none;
}

.btn-toggle:last-child { border-right: none; }

.btn-toggle input[type="radio"],
.btn-toggle input[type="checkbox"] {
    display: none;
}

.btn-toggle:hover {
    background-color: var(--green-dark);
    color: var(--text);
}

.btn-toggle.active {
    background-color: var(--green);
    color: var(--bg);
    font-weight: bold;
}

/* Checkbox group */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
    color: var(--text);
    cursor: pointer;
    padding: 0.2rem 0;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--green);
    width: 0.9rem;
    height: 0.9rem;
}

/* Price type card selector */
.price-type-cards {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.price-type-card {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-mid);
    background-color: var(--bg-panel);
    cursor: pointer;
    transition: border-color 0.1s, background-color 0.1s;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-type-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.price-type-card:hover {
    border-color: var(--green-dim);
    background-color: var(--green-dark);
}

.price-type-card.selected {
    border-color: var(--green);
    background-color: var(--green-dark);
    box-shadow: 0 0 6px rgba(0, 255, 65, 0.15);
}

.price-type-card-title {
    font-size: 0.9375rem;
    font-weight: bold;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.price-type-card.selected .price-type-card-title {
    color: var(--white);
}

.price-type-card-title::before {
    content: '( ) ';
    color: var(--text-dim);
}

.price-type-card.selected .price-type-card-title::before {
    content: '(*) ';
    color: var(--green);
}

.price-type-card-desc {
    font-size: 0.75rem;
    color: var(--text-dim);
    line-height: 1.4;
    padding-left: 2.4ch;
}

/* Margin input row */
.margin-input-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.margin-input {
    max-width: 120px;
    text-align: right;
}

.margin-pct {
    font-size: 1rem;
    font-weight: bold;
    color: var(--yellow);
    flex-shrink: 0;
}

/* Price preview panel */
.price-preview {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-mid);
    background-color: var(--bg-elevated);
    font-size: 0.8125rem;
}

.price-preview-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
}

.price-preview-label {
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.75rem;
}

.price-preview-value {
    color: var(--text);
    font-weight: bold;
}

.price-preview-total {
    border-top: 1px solid var(--border);
    margin-top: 0.35rem;
    padding-top: 0.4rem;
}

.price-preview-total .price-preview-value {
    color: var(--cyan);
    font-size: 0.9375rem;
}

/* Dual amount input row */
.dual-amount-row {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
}

.dual-amount-field {
    flex: 1;
}

.dual-amount-sep {
    font-size: 1.125rem;
    font-weight: bold;
    color: var(--yellow);
    padding-bottom: 0.45rem;
    flex-shrink: 0;
}

.form-label-sm {
    display: block;
    font-size: 0.75rem;
    font-family: var(--font);
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.2rem;
}

.price-preview-source {
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-dim);
    opacity: 0.6;
    text-align: right;
}

/* ----- Cards / Panels ----- */
.card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-mid);
    overflow: hidden;
    border-radius: 0;
}

.card-header {
    padding: 0.5rem 1rem;
    background-color: var(--bg-elevated);
    border-bottom: 1px solid var(--border-mid);
    font-weight: bold;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.875rem;
}
.card-header::before { content: '== '; color: var(--yellow); }
.card-header::after  { content: ' =='; color: var(--yellow); }

.card-body   { padding: 1rem 1.25rem; }
.card-footer {
    padding: 0.5rem 1rem;
    background-color: var(--bg-elevated);
    border-top: 1px solid var(--border);
    font-size: 0.8125rem;
}

.card-title { font-size: 1rem; margin-bottom: 0.75rem; color: var(--cyan); }

/* ----- Tables ----- */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border);
}

.table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }

.table th,
.table td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.table th {
    background-color: var(--bg-elevated);
    font-weight: bold;
    color: var(--yellow);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
    border-bottom: 1px solid var(--border-bright);
}

.table tbody tr:hover { background-color: var(--green-dark); }
.table-striped tbody tr:nth-child(even) { background-color: rgba(0,255,65,0.02); }

/* ----- Alerts ----- */
.alert {
    position: relative;
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-mid);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-panel);
}

.alert-success { color: var(--green);  border-color: var(--green-dim); background-color: rgba(0,255,65,0.04); }
.alert-success::before { content: '[OK] '; font-weight: bold; }

.alert-error,
.alert-danger  { color: var(--red);    border-color: var(--red-dim);   background-color: rgba(255,51,51,0.04); }
.alert-error::before,
.alert-danger::before  { content: '[ERR] '; font-weight: bold; }

.alert-warning { color: var(--yellow); border-color: var(--yellow-dim); background-color: rgba(255,204,0,0.04); }
.alert-warning::before { content: '[WARN] '; font-weight: bold; }

.alert-info    { color: var(--cyan);   border-color: var(--cyan-dim);  background-color: rgba(0,229,255,0.04); }
.alert-info::before    { content: '[INFO] '; font-weight: bold; }

.alert-close {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    padding: 0 0.25rem;
}
.alert-close:hover { opacity: 1; }

/* ----- Badges ----- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.05rem 0.35rem;
    font-size: 0.7rem;
    font-family: var(--font);
    font-weight: bold;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid currentColor;
    border-radius: 0;
}

.badge-primary   { color: var(--cyan); }
.badge-success   { color: var(--green); }
.badge-danger    { color: var(--red); }
.badge-warning   { color: var(--yellow); }
.badge-secondary { color: var(--text-dim); }
.badge-info      { color: var(--cyan); }
.badge-pending   { color: var(--yellow); }
.badge-active    { color: var(--green); }
.badge-completed { color: var(--cyan); }
.badge-cancelled { color: var(--text-dim); }
.badge-disputed  { color: var(--red); }

/* ----- Pagination ----- */
.pagination { margin: 1.5rem 0; }

.pagination-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.pagination-link,
.pagination-prev,
.pagination-next {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.8125rem;
    font-family: var(--font);
    border: 1px solid var(--border-mid);
    color: var(--text);
    background-color: var(--bg-panel);
    text-decoration: none;
    transition: background-color 0.1s, color 0.1s;
}

.pagination-link:hover,
.pagination-prev:hover,
.pagination-next:hover {
    background-color: var(--green);
    color: var(--bg);
    border-color: var(--green);
    text-decoration: none;
}

.pagination-current { background-color: var(--green); color: var(--bg); border-color: var(--green); font-weight: bold; }
.pagination-disabled { opacity: 0.3; cursor: not-allowed; pointer-events: none; }
.pagination-ellipsis { padding: 0.3rem 0.5rem; color: var(--text-dim); }

/* ----- Error Pages ----- */
.error-page { display: flex; align-items: center; justify-content: center; min-height: 50vh; text-align: center; }
.error-content { max-width: 500px; }
.error-code { font-size: 5rem; font-weight: bold; color: var(--red); line-height: 1; margin-bottom: 0.5rem; }
.error-title   { font-size: 1.25rem; color: var(--yellow); margin-bottom: 1rem; }
.error-message { color: var(--text-dim); margin-bottom: 2rem; }

/* ----- Stats ----- */
.stat-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-mid);
    padding: 1rem;
    text-align: center;
}

.stat-value,
.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--cyan);
    line-height: 1.2;
    font-family: var(--font);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ----- Offer Cards ----- */
.offer-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-mid);
    padding: 1rem;
    transition: border-color 0.1s, background-color 0.1s;
}
.offer-card:hover { border-color: var(--border-bright); background-color: var(--green-dark); }

.offer-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border);
}

.offer-currency { font-size: 0.8125rem; color: var(--yellow); letter-spacing: 0.05em; }

.offer-card-title { font-size: 0.9375rem; margin-bottom: 0.5rem; text-transform: none; letter-spacing: 0; }
.offer-card-title a { color: var(--white); }
.offer-card-title a:hover { color: var(--cyan); }

.offer-card-price { margin-bottom: 0.5rem; display: flex; align-items: baseline; gap: 0.4rem; }
.price-value      { font-size: 1.125rem; font-weight: bold; color: var(--green); }
.price-currency   { font-size: 0.8125rem; color: var(--text-dim); }
.price-premium    { font-size: 0.875rem; font-weight: bold; }
.premium-positive { color: var(--green); }
.premium-negative { color: var(--red); }

.offer-card-details { font-size: 0.8125rem; margin-bottom: 0.75rem; }
.offer-detail       { display: flex; gap: 0.5rem; margin-bottom: 0.2rem; }
.detail-label       { color: var(--yellow); min-width: 60px; flex-shrink: 0; }
.detail-value       { color: var(--text); }

.offer-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.offer-seller { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8125rem; }
.seller-name  { color: var(--cyan); }
.seller-score { color: var(--green); }
.seller-score::before { content: '['; color: var(--text-dim); }
.seller-score::after  { content: '%]'; color: var(--text-dim); }

.offer-header  { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.75rem; }
.offer-price   { font-size: 1.25rem; font-weight: bold; color: var(--green); }
.offer-details { font-size: 0.875rem; color: var(--text-dim); }
.offer-footer  { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; padding-top: 0.75rem; border-top: 1px solid var(--border); }

/* ----- Chat / Messages ----- */
.message-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 500px;
    overflow-y: auto;
    padding: 0.75rem;
    background-color: var(--bg);
    border: 1px solid var(--border);
    scrollbar-color: var(--green-dim) var(--bg);
}

.message { max-width: 80%; padding: 0.5rem 0.75rem; font-size: 0.875rem; border: 1px solid var(--border); }

.message-sent     { align-self: flex-end; border-color: var(--cyan-dim); color: var(--cyan); background-color: rgba(0,229,255,0.04); }
.message-sent::before { content: '>> '; color: var(--yellow); }

.message-received { align-self: flex-start; border-color: var(--border-mid); color: var(--text); background-color: var(--bg-elevated); }
.message-received::before { content: '<< '; color: var(--text-dim); }

.message-meta { font-size: 0.75rem; opacity: 0.6; margin-top: 0.2rem; }

/* ----- Footer ----- */
.site-footer {
    background-color: var(--bg-panel);
    color: var(--text-dim);
    border-top: 2px solid var(--border-bright);
    padding: 0;
    margin-top: auto;
    font-size: 0.8rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.footer-content p { margin: 0; }
.footer-disclaimer { opacity: 0.5; font-size: 0.75rem; }

/* ----- Auth Pages ----- */
.auth-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 480px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-bright);
    padding: 2rem;
}

.auth-card::before {
    content: '------------------------------------------------------';
    display: block;
    color: var(--border-mid);
    font-size: 0.7rem;
    margin-bottom: 1.25rem;
    overflow: hidden;
    letter-spacing: 0;
}

.auth-title    { font-size: 1.125rem; color: var(--cyan); margin-bottom: 0.25rem; }
.auth-subtitle { color: var(--text-dim); font-size: 0.8125rem; margin-bottom: 1.5rem; }
.auth-subtitle::before { content: '# '; }
.auth-form { margin-bottom: 1.25rem; }

.auth-footer {
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    font-size: 0.8125rem;
    color: var(--text-dim);
}
.auth-footer p { margin-bottom: 0.4rem; }
.auth-footer a { color: var(--cyan); }
.auth-footer a:hover { color: var(--yellow); }

/* ----- Home Page ----- */
.hero {
    padding: 2rem 0 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.hero-content { max-width: 700px; }

.hero-title { font-size: 1.5rem; color: var(--white); margin-bottom: 0.5rem; }
.hero-title::before { content: '$ '; color: var(--green); }

.hero-subtitle { color: var(--text-dim); margin-bottom: 1.25rem; font-size: 0.9375rem; }
.hero-actions  { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.section-title {
    font-size: 0.9375rem;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--border-mid);
}
.section-title::before { content: '=== '; color: var(--yellow); }
.section-title::after  { content: ' ==='; color: var(--yellow); }

.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.section-header .section-title { margin-bottom: 0; border-bottom: none; }
.section-link  { font-size: 0.8125rem; color: var(--cyan); }
.section-link:hover { color: var(--yellow); }

.how-it-works, .platform-stats, .recent-offers, .trust-signals {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }

.step-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-mid);
    padding: 1rem;
}

.step-number { font-size: 1.5rem; font-weight: bold; color: var(--yellow); margin-bottom: 0.5rem; }
.step-number::before { content: '['; color: var(--text-dim); }
.step-number::after  { content: ']'; color: var(--text-dim); }
.step-title   { font-size: 0.875rem; color: var(--green); margin-bottom: 0.4rem; text-transform: uppercase; letter-spacing: 0.05em; }
.step-description { font-size: 0.8125rem; color: var(--text-dim); line-height: 1.5; margin: 0; }

.trust-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-mid);
    border-left: 3px solid var(--green-dim);
    padding: 1rem;
}
.trust-title       { font-size: 0.875rem; color: var(--green); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.trust-description { font-size: 0.8125rem; color: var(--text-dim); line-height: 1.5; margin: 0; }

.cta-section  { margin-bottom: 1rem; }
.cta-content  { background-color: var(--bg-panel); border: 1px solid var(--border-bright); padding: 1.5rem; text-align: center; }
.cta-content h2 { color: var(--cyan); margin-bottom: 0.5rem; }
.cta-content p  { color: var(--text-dim); margin-bottom: 1rem; font-size: 0.9rem; }
.cta-actions    { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; }

/* ----- Utility ----- */
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0;
    margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-left   { text-align: left; }
.font-bold   { font-weight: bold; }
.font-medium { font-weight: normal; }
.truncate    { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden      { display: none !important; }
.w-full      { width: 100%; }
.rounded     { border-radius: 0; }

/* Scrollbar */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-mid); }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }

/* Selection */
::selection { background-color: var(--green); color: var(--bg); }

/* ----- Responsive ----- */
@media (max-width: 1024px) {
    .grid-4     { grid-template-columns: repeat(2, 1fr); }
    .grid-3     { grid-template-columns: repeat(2, 1fr); }
    .offer-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .navbar-toggle { display: block; }

    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-panel);
        border: 1px solid var(--border-bright);
        border-top: none;
        padding: 0.5rem 0;
        z-index: 1001;
    }

    .navbar-menu.is-active { display: block; }

    .navbar-nav { flex-direction: column; height: auto; }

    .nav-link { border-left: none; border-bottom: 1px solid var(--border); padding: 0.6rem 1rem; }

    .nav-dropdown .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--border);
        background-color: var(--bg-elevated);
    }
    .nav-dropdown .dropdown-item { padding-left: 2rem; color: var(--text-dim); }

    .grid-2, .grid-3, .grid-4,
    .offer-grid, .steps-grid, .stats-grid, .trust-grid { grid-template-columns: 1fr; }

    .form-row { flex-direction: column; }
    h1 { font-size: 1.25rem; }
    h2 { font-size: 1.125rem; }

    .term-titlebar-right { display: none; }
    .footer-content      { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding-left: 0.75rem; padding-right: 0.75rem; }
    .card-body  { padding: 0.75rem; }
    .auth-card  { padding: 1.25rem; }
    /* Keep min-height: 44px from the base rule — only shrink horizontal/text */
    .btn        { padding: 0.35rem 0.75rem; font-size: 0.75rem; }
    .btn-lg     { padding: 0.5rem 1rem; font-size: 0.875rem; }
    .table th, .table td { padding: 0.4rem 0.5rem; }
    /* Force horizontal scroll on tables that don't fit on narrow viewports
       instead of pushing the body width. Pairs with .table-responsive on
       wrapper divs; the wildcard fallback catches inline-styled tables. */
    table { display: block; max-width: 100%; overflow-x: auto; }
}

.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ----- Mobile-first Responsive Enhancements ----- */
/* Broad, reusable rules so every PHP view remains usable on small screens,
   including pages that contain inline grid/flex styles or long wallet data. */
.container,
.site-main,
.card,
.card-body,
.form-container,
.offers-sidebar,
.offers-content,
.offer-detail-main,
.offer-detail-sidebar,
.detail-item,
.detail-value,
.seller-name,
.seller-trades {
    min-width: 0;
}

input,
select,
textarea,
.form-control,
.form-input {
    max-width: 100%;
    min-width: 0;
}

code,
pre,
kbd,
samp,
.tor-onion,
.secret-key,
.recovery-code,
.offer-description,
.offer-terms,
.notification-message,
.message,
.detail-value {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

pre {
    overflow-x: auto;
    white-space: pre-wrap;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
}

.footer-tor,
.footer-disclaimer {
    overflow-wrap: anywhere;
}

.page-header-content {
    min-width: 0;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.btn-group-toggle,
.btn-group,
.hero-actions,
.cta-actions {
    max-width: 100%;
}

.price-preview-value,
.price-preview-label {
    overflow-wrap: anywhere;
}

/* Offer index/detail layouts used by the PHP views. */
.offers-layout {
    display: grid;
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.offer-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.offer-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(min(100%, 320px), 1fr);
    gap: 1.5rem;
    align-items: start;
}

.offer-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.offer-detail-header-left,
.offer-detail-actions,
.payment-method-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.inline-form {
    display: inline-flex;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.offer-detail-section,
.offer-action-section,
.seller-card,
.quick-info-card {
    margin-bottom: 1.25rem;
}

.seller-card,
.quick-info-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-mid);
    padding: 1rem;
}

.seller-card-body {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
}

.seller-info {
    min-width: 0;
}

.seller-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.avatar-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border: 1px solid var(--border-mid);
    color: var(--cyan);
    font-weight: bold;
}

.quick-info-list {
    list-style: disc;
    padding-left: 1.25rem;
    color: var(--text-dim);
}

.payment-method-list .badge {
    white-space: normal;
}

.table-responsive {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 900px) {
    .offers-layout,
    .offer-detail-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html,
    body {
        max-width: 100%;
        overflow-x: hidden;
    }

    body {
        font-size: 0.875rem;
    }

    .site-main {
        padding: 1rem 0;
    }

    .container {
        padding-left: 0.875rem;
        padding-right: 0.875rem;
    }

    .term-titlebar {
        gap: 0.5rem;
        padding: 0.2rem 0.75rem;
        overflow: hidden;
    }

    .term-titlebar-left {
        min-width: 0;
        gap: 0.75rem;
        flex-wrap: wrap;
    }

    .term-titlebar-left span {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .navbar-container {
        min-height: 52px;
    }

    .navbar-brand {
        min-width: 0;
        max-width: calc(100vw - 6rem);
        padding-left: 0;
        padding-right: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .navbar-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
        margin-right: 0;
    }

    .navbar-menu {
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }

    .navbar-nav,
    .nav-item,
    .nav-link {
        width: 100%;
    }

    .nav-link {
        min-height: 44px;
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .nav-dropdown .dropdown-menu {
        display: block;
        width: 100%;
    }

    .page-header,
    .section-header,
    .offer-card-header,
    .offer-card-footer,
    .offer-detail-header,
    .price-preview-row,
    .alert {
        flex-wrap: wrap;
        gap: 0.75rem;
        align-items: flex-start;
    }

    .section-header,
    .offer-detail-header {
        flex-direction: column;
    }

    .page-header .btn,
    .section-header .btn {
        width: 100%;
        margin-top: 0.5rem;
    }

    .btn,
    .pagination a,
    .pagination span,
    .pagination-link,
    .pagination-prev,
    .pagination-next {
        white-space: normal;
        overflow-wrap: anywhere;
        text-align: center;
    }

    .btn-group,
    .btn-group-toggle,
    .hero-actions,
    .cta-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .btn-group > .btn,
    .btn-group-toggle > .btn,
    .hero-actions .btn,
    .cta-actions .btn {
        flex: 1 1 auto;
    }

    .btn-toggle {
        flex: 1 1 100%;
        text-align: center;
    }

    .form-inline,
    .dual-amount-row {
        flex-direction: column;
        align-items: stretch;
    }

    .form-inline > *,
    .form-actions > *,
    .form-actions .btn,
    .form-actions form,
    .dual-amount-field,
    .dual-amount-row .form-control {
        width: 100%;
    }

    .dual-amount-sep {
        align-self: center;
        padding-bottom: 0;
    }

    .margin-input-row {
        flex-wrap: wrap;
        align-items: stretch;
    }

    .margin-input {
        max-width: none;
        flex: 1 1 160px;
    }

    .price-preview-row {
        flex-direction: column;
        justify-content: flex-start;
    }

    .price-preview-source {
        text-align: left;
    }

    .price-type-card {
        min-width: 100%;
    }

    .auth-container {
        padding: 1rem 0;
    }

    .auth-card {
        max-width: 100%;
    }

    .card-header,
    .card-body,
    .card-footer,
    .offer-card,
    .cta-content,
    .step-card,
    .trust-card,
    .seller-card,
    .quick-info-card {
        padding-left: 0.875rem;
        padding-right: 0.875rem;
    }

    .offer-card-header,
    .offer-card-footer,
    .offer-seller,
    .offer-card-price {
        flex-wrap: wrap;
    }

    .offer-card-footer .btn {
        width: 100%;
    }

    .offer-detail-actions,
    .offer-detail-actions form,
    .inline-form {
        width: 100%;
    }

    .offer-detail-actions .btn,
    .offer-detail-actions button {
        width: 100%;
    }

    .detail-grid,
    .seller-stats {
        grid-template-columns: 1fr;
    }

    .seller-card-body {
        align-items: flex-start;
    }

    .message,
    #chatMessages > div > div,
    [style*="max-width:70%"],
    [style*="max-width: 70%"] {
        max-width: 92% !important;
    }

    #chatMessages {
        max-height: 60vh !important;
    }

    .message-list {
        max-height: 60vh;
    }

    .site-main table:not(.no-responsive),
    .site-footer table:not(.no-responsive) {
        display: block;
        max-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .site-main table:not(.no-responsive) th,
    .site-main table:not(.no-responsive) td {
        white-space: nowrap;
    }

    .pagination,
    .pagination-list {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.25rem;
    }

    /* Inline-style mitigation for legacy views. */
    [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    [style*="display: grid"],
    [style*="display:grid"],
    [style*="display: flex"],
    [style*="display:flex"] {
        min-width: 0;
    }

    [style*="display: flex"],
    [style*="display:flex"] {
        flex-wrap: wrap !important;
    }

    [style*="white-space: nowrap"],
    [style*="white-space:nowrap"] {
        white-space: normal !important;
    }

    [style*="min-width: 200px"],
    [style*="min-width:200px"],
    [style*="min-width: 250px"],
    [style*="min-width:250px"] {
        min-width: 0 !important;
    }

    [style*="max-width: 200px"],
    [style*="max-width:200px"],
    [style*="max-width: 250px"],
    [style*="max-width:250px"],
    [style*="max-width: 300px"],
    [style*="max-width:300px"] {
        max-width: 100% !important;
    }
}

@media (max-width: 520px) {
    .hero,
    .how-it-works,
    .platform-stats,
    .recent-offers,
    .trust-signals {
        margin-bottom: 1.25rem;
        padding-bottom: 1rem;
    }

    .hero-title {
        font-size: 1.25rem;
    }

    .section-title::before,
    .section-title::after,
    .card-header::before,
    .card-header::after {
        content: '';
    }

    .btn-group > .btn,
    .btn-group-toggle > .btn,
    .btn-group-toggle > .btn-toggle,
    .hero-actions .btn,
    .cta-actions .btn,
    .form-actions .btn,
    .form-actions button {
        width: 100%;
        flex-basis: 100%;
    }

    .site-main form [style*="display: flex"],
    .site-main form [style*="display:flex"] {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .site-main form [style*="display: flex"] > *,
    .site-main form [style*="display:flex"] > * {
        width: 100% !important;
    }

    .footer-content {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}