/* ═══════════════════════════════════════════
   MERCHANT DASHBOARD — Design System
   ═══════════════════════════════════════════ */

:root {
    --bg-primary: #0B0B0C;
    --bg-secondary: #0E0F10;
    --bg-card: #0E0F10;
    --bg-elevated: #141517;
    --bg-hover: #111214;
    --bg-active: #1A1B1E;
    --border-subtle: #1F2226;
    --border-default: #1F2226;
    --border-hover: #2A2D32;
    --border-focus: #3A3D42;
    --text-primary: #FFFFFF;
    --text-secondary: #D4D4D8;
    --text-muted: #9CA3AF;
    --text-dim: #71717A;
    --green: #22C55E;
    --red: #EF4444;
    --amber: #F59E0B;
    --blue: #3B82F6;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    --r-xs: 4px; --r-sm: 6px; --r-md: 8px; --r-lg: 10px; --r-xl: 12px;
    --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 20px; --sp-6: 24px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --t-fast: 120ms var(--ease);
    --t-base: 200ms var(--ease);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

::selection { background: #fff; color: #000; }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* Kill number spinners globally */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; }

.hidden { display: none !important; }

/* ═══════ TOAST ═══════ */
#toast-container {
    position: fixed; top: 16px; right: 16px; z-index: 9999;
    display: flex; flex-direction: column; gap: 8px;
}
.toast {
    padding: 10px 18px; border-radius: var(--r-md); font-size: 13px; font-weight: 500;
    color: #fff; box-shadow: var(--shadow-lg); animation: toastIn 0.3s var(--ease);
    pointer-events: auto; max-width: 340px;
}
.toast-success { background: rgba(34,197,94,0.92); }
.toast-error { background: rgba(239,68,68,0.92); }
.toast-info { background: rgba(59,130,246,0.92); }
.toast-warning { background: rgba(245,158,11,0.92); }
@keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateX(40px); } }

/* ═══════ LAYOUT ═══════ */
#content-area {
    max-width: 1200px; margin: 0 auto; padding: 24px 20px;
}

/* ═══════ ZONE — Section wrapper ═══════ */
.mr-zone { margin-bottom: 20px; }
.mr-zone-title {
    font-size: 10px; font-weight: 700; letter-spacing: 1.8px; color: var(--text-dim);
    text-transform: uppercase; margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.mr-zone-title::after {
    content: ''; flex: 1; height: 1px; background: var(--border-subtle);
}

/* ═══════ ZONE 1 — QUICK COPY BUTTONS ═══════ */
.mr-qbtns {
    display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}
.mr-qbtn {
    padding: 7px 16px; border: none; border-radius: var(--r-sm); font-size: 12px;
    font-weight: 600; font-family: var(--font-sans); cursor: pointer; color: #fff;
    transition: all var(--t-fast); position: relative; user-select: none;
}
.mr-qbtn:hover { filter: brightness(1.15); transform: translateY(-1px); }
.mr-qbtn:active { transform: scale(0.97); }

.mr-qbtn-add {
    width: 36px; height: 34px; border: 1px dashed var(--border-hover); border-radius: var(--r-sm);
    background: transparent; color: var(--text-dim); font-size: 16px; cursor: pointer;
    transition: all var(--t-fast); font-family: var(--font-sans);
    display: inline-flex; align-items: center; justify-content: center;
}
.mr-qbtn-add:hover { border-color: var(--text-muted); color: var(--text-muted); }

.mr-settings-btn {
    padding: 2px 8px; border: 1px solid var(--border-default); border-radius: var(--r-sm);
    background: var(--bg-elevated); color: var(--text-dim); font-size: 14px; cursor: pointer;
    transition: all var(--t-fast); line-height: 1;
}
.mr-settings-btn:hover { border-color: var(--border-hover); color: var(--text-muted); }

/* ═══════ ZONE 2 — AMOUNT RANGES ═══════ */
.mr-amt-container { display: flex; flex-direction: column; gap: 8px; }
.mr-amt-group {
    display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
}
.mr-amt-flag {
    font-size: 16px; min-width: 22px; text-align: center; user-select: none; line-height: 1;
}
.mr-amt-btn {
    padding: 7px 14px; border: none; border-radius: var(--r-sm); font-size: 12px;
    font-weight: 600; font-family: var(--font-mono); cursor: pointer; color: #fff;
    transition: all var(--t-fast); user-select: none;
}
.mr-amt-btn:hover { filter: brightness(1.15); transform: translateY(-1px); }
.mr-amt-btn:active { transform: scale(0.97); }

.mr-amt-add {
    width: 36px; height: 34px; border: 1px dashed var(--border-hover); border-radius: var(--r-sm);
    background: transparent; color: var(--text-dim); font-size: 16px; cursor: pointer;
    transition: all var(--t-fast); font-family: var(--font-sans);
    display: inline-flex; align-items: center; justify-content: center;
}
.mr-amt-add:hover { border-color: var(--text-muted); color: var(--text-muted); }

/* ═══════ ZONE 3 — BIN SEARCH ═══════ */
.mr-bin-row {
    display: flex; align-items: center; gap: 8px;
}
.mr-bin-input {
    padding: 7px 12px; background: var(--bg-elevated); border: 1px solid var(--border-default);
    border-radius: var(--r-sm); color: var(--text-primary); font-size: 13px;
    font-family: var(--font-mono); outline: none; width: 160px;
    transition: border-color var(--t-base);
}
.mr-bin-input:focus { border-color: var(--border-focus); }
.mr-bin-input::placeholder { color: var(--text-dim); }

.mr-bin-search-btn {
    padding: 7px 12px; background: var(--bg-elevated); border: 1px solid var(--border-default);
    border-radius: var(--r-sm); color: var(--text-muted); font-size: 14px; cursor: pointer;
    transition: all var(--t-fast);
}
.mr-bin-search-btn:hover { background: var(--bg-active); color: var(--text-primary); }

/* BIN Results Panel */
.mr-bin-results {
    margin-top: 10px; padding: 12px 16px; background: var(--bg-elevated);
    border: 1px solid var(--border-default); border-radius: var(--r-md);
    font-size: 13px; color: var(--text-secondary); animation: mrFadeIn 0.2s var(--ease);
}
.mr-bin-results .mr-br-item {
    padding: 6px 0; border-bottom: 1px solid var(--border-subtle);
    display: flex; align-items: center; gap: 10px;
}
.mr-bin-results .mr-br-item:last-child { border-bottom: none; }
.mr-br-name { font-weight: 600; color: var(--text-primary); }
.mr-br-count { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); }
.mr-br-amounts { font-size: 11px; color: var(--amber); }
.mr-br-link { font-size: 11px; color: var(--blue); text-decoration: none; }
.mr-br-link:hover { text-decoration: underline; }
.mr-br-empty { color: var(--text-dim); font-style: italic; }

@keyframes mrFadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* ═══════ ZONE 4 — QUICK BUTTONS (compact grid) ═══════ */
.mr-cb-grid {
    display: flex; flex-wrap: wrap; gap: 10px; align-items: stretch;
}
.mr-cb {
    width: 80px; background: var(--bg-elevated); border: 1px solid var(--border-default);
    border-radius: var(--r-md); padding: 10px 6px 8px; display: flex; flex-direction: column;
    align-items: center; gap: 6px; cursor: pointer;
    transition: all var(--t-fast); user-select: none;
}
.mr-cb:hover { border-color: var(--border-hover); background: var(--bg-active); transform: translateY(-1px); }
.mr-cb:active { transform: scale(0.96); }

.mr-cb-logo {
    width: 36px; height: 36px; border-radius: 50%; overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-active); border: 1px solid var(--border-subtle); flex-shrink: 0;
}
.mr-cb-logo img { width: 100%; height: 100%; object-fit: cover; }
.mr-cb-letter {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 800; text-transform: uppercase;
}
.mr-cb-name {
    font-size: 10px; font-weight: 600; color: var(--text-secondary); text-align: center;
    max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    line-height: 1.2;
}
.mr-cb-add {
    border-style: dashed; color: var(--text-dim); justify-content: center;
}
.mr-cb-add:hover { border-color: var(--text-muted); color: var(--text-muted); }

/* ═══════ MODAL ═══════ */
.mr-modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    animation: mrFadeIn 0.15s var(--ease);
}
.mr-modal {
    background: var(--bg-card); border: 1px solid var(--border-default);
    border-radius: var(--r-xl); width: 420px; max-width: 92vw; max-height: 90vh;
    overflow-y: auto; box-shadow: var(--shadow-lg);
    animation: mrModalIn 0.2s var(--ease);
}
@keyframes mrModalIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.mr-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px 12px; border-bottom: 1px solid var(--border-subtle);
}
.mr-modal-title {
    font-size: 15px; font-weight: 700; letter-spacing: 0.5px;
}
.mr-modal-close {
    background: none; border: none; color: var(--text-dim); font-size: 18px;
    cursor: pointer; padding: 4px 8px; border-radius: var(--r-xs);
    transition: all var(--t-fast);
}
.mr-modal-close:hover { color: var(--text-primary); background: var(--bg-active); }

.mr-modal-body { padding: 16px 20px; }
.mr-modal-footer {
    padding: 12px 20px 16px; display: flex; justify-content: flex-end; gap: 8px;
    border-top: 1px solid var(--border-subtle);
}

.mr-form-group { margin-bottom: 14px; }
.mr-form-label {
    display: block; font-size: 11px; font-weight: 600; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px;
}
.mr-form-input {
    width: 100%; padding: 8px 12px; background: var(--bg-primary);
    border: 1px solid var(--border-default); border-radius: var(--r-sm);
    color: var(--text-primary); font-size: 13px; font-family: var(--font-sans);
    outline: none; transition: border-color var(--t-base);
}
.mr-form-input:focus { border-color: var(--border-focus); }
.mr-form-input::placeholder { color: var(--text-dim); }

.mr-form-row { display: flex; gap: 12px; }
.mr-form-row .mr-form-group { flex: 1; }

.mr-btn-save {
    padding: 8px 20px; background: #fff; color: #000; border: none;
    border-radius: var(--r-sm); font-size: 12px; font-weight: 700;
    font-family: var(--font-sans); cursor: pointer; transition: all var(--t-fast);
}
.mr-btn-save:hover { box-shadow: 0 2px 12px rgba(255,255,255,0.15); }

.mr-btn-cancel {
    padding: 8px 16px; background: none; border: 1px solid var(--border-default);
    border-radius: var(--r-sm); color: var(--text-muted); font-size: 12px;
    font-weight: 600; font-family: var(--font-sans); cursor: pointer;
    transition: all var(--t-fast);
}
.mr-btn-cancel:hover { border-color: var(--border-hover); color: var(--text-secondary); }

.mr-btn-delete {
    padding: 8px 16px; background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.25);
    border-radius: var(--r-sm); color: #F87171; font-size: 12px; font-weight: 600;
    font-family: var(--font-sans); cursor: pointer; transition: all var(--t-fast);
    margin-right: auto;
}
.mr-btn-delete:hover { background: rgba(239,68,68,0.2); }

/* File upload */
.mr-file-upload {
    display: flex; align-items: center; gap: 8px;
}
.mr-file-btn {
    padding: 6px 12px; background: var(--bg-elevated); border: 1px solid var(--border-default);
    border-radius: var(--r-sm); color: var(--text-muted); font-size: 11px; cursor: pointer;
    transition: all var(--t-fast); font-family: var(--font-sans);
}
.mr-file-btn:hover { border-color: var(--border-hover); color: var(--text-secondary); }
.mr-file-name { font-size: 11px; color: var(--text-dim); }

/* ═══════ CONTEXT MENU ═══════ */
.mr-ctx {
    position: fixed; z-index: 2000; background: var(--bg-elevated);
    border: 1px solid var(--border-default); border-radius: var(--r-md);
    min-width: 140px; padding: 4px 0; box-shadow: var(--shadow-lg);
    animation: mrFadeIn 0.12s var(--ease);
}
.mr-ctx-item {
    display: block; width: 100%; text-align: left; background: none; border: none;
    color: var(--text-secondary); font-size: 12px; font-family: var(--font-sans);
    padding: 7px 14px; cursor: pointer; transition: all 80ms;
}
.mr-ctx-item:hover { background: var(--bg-active); color: var(--text-primary); }
.mr-ctx-item.danger { color: #F87171; }
.mr-ctx-item.danger:hover { background: rgba(239,68,68,0.1); }

/* ═══════ SETTINGS MODAL ITEMS ═══════ */
.mr-sett-section { margin-bottom: 16px; }
.mr-sett-section-title {
    font-size: 11px; font-weight: 700; color: var(--text-dim); text-transform: uppercase;
    letter-spacing: 1.2px; margin-bottom: 8px;
}
.mr-sett-item {
    display: flex; align-items: center; gap: 8px; padding: 6px 0;
    border-bottom: 1px solid var(--border-subtle);
}
.mr-sett-item:last-child { border-bottom: none; }
.mr-sett-chip {
    padding: 3px 10px; border-radius: 10px; font-size: 11px; font-weight: 600; color: #fff;
    white-space: nowrap;
}
.mr-sett-text { flex: 1; font-size: 12px; color: var(--text-secondary); overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; }
.mr-sett-actions { display: flex; gap: 4px; }
.mr-sett-btn {
    background: none; border: none; color: var(--text-dim); font-size: 13px;
    cursor: pointer; padding: 2px 6px; border-radius: var(--r-xs);
    transition: all var(--t-fast);
}
.mr-sett-btn:hover { color: var(--text-primary); background: var(--bg-active); }
.mr-sett-btn.danger:hover { color: #F87171; }

/* ═══════ GENERATE HISTORY ═══════ */
.mr-gen-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.mr-gen-chips { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.mr-chip {
    padding: 4px 8px; background: var(--bg-elevated); border: 1px solid var(--border-default);
    border-radius: var(--r-sm); font-size: 11px; font-weight: 600; cursor: pointer;
    color: var(--text-primary); transition: all var(--t-fast);
    display: inline-flex; align-items: center; gap: 4px;
}
.mr-chip:hover { border-color: var(--border-hover); background: var(--bg-active); }
.mr-chip.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.mr-chip-add { border-style: dashed; color: var(--text-muted); }
.mr-chip-input {
    padding: 4px 6px; background: var(--bg-primary); border: 1px dashed var(--border-default);
    border-radius: var(--r-sm); font-size: 11px; font-weight: 600; color: var(--text-primary);
    font-family: var(--font-mono); outline: none; text-transform: uppercase;
    transition: border-color var(--t-fast);
}
.mr-chip-input:focus { border-color: var(--blue); border-style: solid; }
.mr-chip-input::placeholder { color: var(--text-dim); text-transform: none; }
.mr-gen-list { display: flex; flex-direction: column; gap: 8px; max-height: 300px; overflow-y: auto; padding-right: 4px; }
.mr-gen-card {
    background: var(--bg-elevated); border: 1px solid var(--border-default);
    border-radius: var(--r-md); padding: 8px 12px; animation: mrFadeIn 0.2s var(--ease);
    display: flex; flex-direction: column; gap: 4px;
}
.mr-gen-row {
    display: flex; justify-content: flex-start; gap: 8px; font-size: 11px;
    font-family: var(--font-mono); cursor: pointer; padding: 2px 4px;
    border-radius: 4px; transition: background 0.1s;
}
.mr-gen-row:hover { background: var(--bg-active); }
.mr-gen-row:active { transform: scale(0.99); }
.mr-gen-lbl { color: var(--text-dim); user-select: none; white-space: nowrap; }
.mr-gen-val { color: var(--text-primary); font-weight: 500; }

/* ═══════ COLOR SWATCHES ═══════ */
.mr-color-swatches { display: flex; gap: 6px; flex-wrap: wrap; }
.mr-swatch {
    width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
    border: 2px solid transparent; transition: all 0.15s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.mr-swatch:hover { transform: scale(1.15); }
.mr-swatch.active { border-color: #fff; box-shadow: 0 0 0 2px rgba(255,255,255,0.3); }

/* ═══════ PREVIEW ═══════ */
.mr-preview-btn {
    display: inline-block; padding: 8px 20px; border-radius: var(--r-sm);
    font-size: 13px; font-weight: 600; text-align: center; transition: all 0.2s;
}
.mr-preview-logo {
    width: 44px; height: 44px; border-radius: 50%; overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; transition: all 0.2s;
}

/* ═══════ ZOOM CONTROLS ═══════ */
.mr-zoom { display: flex; gap: 4px; }
.mr-zoom-btn {
    width: 24px; height: 24px; border: 1px solid var(--border-default);
    border-radius: var(--r-xs); background: var(--bg-elevated); color: var(--text-muted);
    font-size: 14px; cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all var(--t-fast); line-height: 1;
}
.mr-zoom-btn:hover { background: var(--bg-active); color: var(--text-primary); }

/* Scalable Quick Buttons */
.mr-cb-grid { --cb-scale: 1; }
.mr-cb { width: calc(80px * var(--cb-scale)); }
.mr-cb-logo { width: calc(36px * var(--cb-scale)); height: calc(36px * var(--cb-scale)); }
.mr-cb-letter { font-size: calc(16px * var(--cb-scale)); }
.mr-cb-name { font-size: calc(10px * var(--cb-scale)); }

/* ═══════ DRAG & DROP ═══════ */
.mr-dragging { opacity: 0.4; transform: scale(0.95); }
.mr-drag-over { outline: 2px dashed var(--blue); outline-offset: 2px; }
[draggable="true"] { cursor: grab; }
[draggable="true"]:active { cursor: grabbing; }