/* ========================================
   FARE ZELLE - Estilos Principales
   Aesthetic: Dark financial / precision
======================================== */

:root {
    --bg-deep:      #070c1a;
    --bg-card:      #0e1629;
    --bg-hover:     #141d35;
    --border:       rgba(99,140,255,0.15);
    --border-bright:rgba(99,140,255,0.4);
    --accent:       #3d7aff;
    --accent-glow:  rgba(61,122,255,0.25);
    --green:        #00e5a0;
    --green-dim:    rgba(0,229,160,0.12);
    --red:          #ff4e6a;
    --red-dim:      rgba(255,78,106,0.12);
    --gold:         #f5c842;
    --text-primary: #e8edf8;
    --text-secondary:#8896b3;
    --text-muted:   #4a5878;
    --sidebar-w:    240px;
    --radius:       12px;
    --radius-sm:    8px;
    --font-mono:    'Space Mono', monospace;
    --font-body:    'DM Sans', sans-serif;
}

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

html, body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ---- SIDEBAR ---- */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.brand-logo { width: 100px; height: auto; object-fit: contain; }
.brand-text {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 4px;
}
.brand-sub {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-menu {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}
.nav-link:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-link.active {
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(61,122,255,0.3);
}
.nav-link svg { flex-shrink: 0; opacity: 0.7; }
.nav-link.active svg { opacity: 1; }

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.user-avatar {
    width: 34px; height: 34px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
    flex-shrink: 0;
}
.user-details { flex: 1; min-width: 0; }
.user-name { display: block; font-size: 13px; font-weight: 600; truncate: ellipsis; white-space: nowrap; overflow: hidden; }
.user-role { display: block; font-size: 11px; color: var(--text-muted); }
.btn-logout {
    color: var(--text-muted);
    transition: color 0.2s;
    display: flex;
    padding: 6px;
    border-radius: 6px;
}
.btn-logout:hover { color: var(--red); background: var(--red-dim); }

/* Mobile toggle */
.nav-toggle {
    display: none;
    position: fixed;
    top: 16px; left: 16px;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 40px; height: 40px;
    border-radius: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
.sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 99;
}

/* ---- MAIN CONTENT ---- */
.main-content {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    padding: 32px;
}

/* ---- PAGE HEADER ---- */
.page-header {
    margin-bottom: 28px;
}
.page-title {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}
.page-subtitle { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

/* ---- CARDS ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.card-sm { padding: 18px 20px; }

/* ---- STAT CARDS ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 22px;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
}
.stat-card.ingreso::before { background: var(--green); }
.stat-card.egreso::before  { background: var(--red); }
.stat-card.balance::before { background: var(--accent); }
.stat-card.total::before   { background: var(--gold); }

.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 8px; }
.stat-value {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
}
.stat-card.ingreso .stat-value { color: var(--green); }
.stat-card.egreso  .stat-value { color: var(--red); }
.stat-card.balance .stat-value { color: var(--accent); }
.stat-card.total   .stat-value { color: var(--gold); }
.stat-count { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ---- TABLE ---- */
.table-wrap { overflow-x: auto; }
table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(99,140,255,0.07);
    vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-hover); }
.data-table tr.eliminado td { opacity: 0.45; }

/* ---- BADGE ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.badge-ingreso { background: var(--green-dim); color: var(--green); border: 1px solid rgba(0,229,160,0.3); }
.badge-egreso  { background: var(--red-dim);   color: var(--red);   border: 1px solid rgba(255,78,106,0.3); }
.badge-eliminado { background: rgba(74,88,120,0.3); color: var(--text-muted); border: 1px solid var(--border); text-decoration: line-through; }

/* ---- AMOUNTS ---- */
.amount-ingreso { font-family: var(--font-mono); color: var(--green); font-weight: 700; }
.amount-egreso  { font-family: var(--font-mono); color: var(--red);   font-weight: 700; }

/* ---- FORMS ---- */
.form-grid { display: grid; gap: 20px; }
.form-grid-2 { grid-template-columns: 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }
.form-control {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 10px 14px;
    font-family: var(--font-body);
    font-size: 14px;
    width: 100%;
    transition: border-color 0.2s;
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-control option { background: var(--bg-card); }

/* UPLOAD ZONE */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--accent); background: var(--accent-glow); }
.upload-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.upload-icon { font-size: 36px; margin-bottom: 8px; }
.upload-text { font-size: 14px; color: var(--text-secondary); }
.upload-sub  { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.upload-preview {
    margin-top: 16px;
    position: relative;
    display: inline-block;
}
.upload-preview img { max-height: 160px; border-radius: 8px; border: 1px solid var(--border); }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #5590ff; transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-glow); }
.btn-success { background: rgba(0,229,160,0.15); color: var(--green); border: 1px solid rgba(0,229,160,0.3); }
.btn-success:hover { background: rgba(0,229,160,0.25); }
.btn-danger  { background: var(--red-dim); color: var(--red); border: 1px solid rgba(255,78,106,0.3); }
.btn-danger:hover  { background: rgba(255,78,106,0.25); }
.btn-ghost  { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover  { background: var(--bg-hover); color: var(--text-primary); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-icon { padding: 7px; }

/* ---- ALERTS ---- */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 16px; }
.alert-error   { background: var(--red-dim);   color: var(--red);   border: 1px solid rgba(255,78,106,0.3); }
.alert-success { background: var(--green-dim); color: var(--green); border: 1px solid rgba(0,229,160,0.3); }
.alert-info    { background: var(--accent-glow); color: #7aaaff;     border: 1px solid rgba(61,122,255,0.3); }

/* ---- TIPO SELECTOR ---- */
.tipo-selector { display: flex; gap: 12px; }
.tipo-btn {
    flex: 1;
    padding: 14px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.tipo-btn.ingreso.active { border-color: var(--green); color: var(--green); background: var(--green-dim); }
.tipo-btn.egreso.active  { border-color: var(--red);   color: var(--red);   background: var(--red-dim); }
.tipo-btn:not(.active):hover { border-color: var(--border-bright); color: var(--text-primary); }

/* ---- CAPTURE THUMB ---- */
.capture-thumb {
    width: 40px; height: 40px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform 0.2s;
}
.capture-thumb:hover { transform: scale(1.1); }

/* ---- MODAL ---- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.8);
    z-index: 500;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}
.modal-overlay.show { display: flex; }
.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 480px;
    width: 90%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.modal-title { font-family: var(--font-mono); font-size: 16px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px; font-size: 20px; line-height: 1; }
.modal-close:hover { color: var(--text-primary); }

/* ---- LIGHTBOX ---- */
#lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 600; display: none; align-items: center; justify-content: center; cursor: zoom-out; }
#lightbox.show { display: flex; }
#lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 8px; box-shadow: 0 0 60px rgba(0,0,0,0.8); }

/* ---- FILTERS ---- */
.filters-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 20px;
}
.filters-bar .form-control { max-width: 180px; }

/* ---- SHARE CARD (imagen para WhatsApp) ---- */
#shareCanvas { display: none; }

/* ---- LOGIN PAGE ---- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-deep);
    position: relative;
    overflow: hidden;
}
.login-page::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(61,122,255,0.08) 0%, transparent 70%);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}
.login-brand {
    text-align: center;
    margin-bottom: 32px;
}
.login-brand img { height: 56px; object-fit: contain; margin-bottom: 10px; }
.login-brand .brand-name { font-family: var(--font-mono); font-size: 28px; color: var(--accent); letter-spacing: 4px; }
.login-brand .brand-sub  { font-size: 12px; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; }

/* ---- EMPTY STATE ---- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state svg { margin-bottom: 16px; opacity: 0.3; }
.empty-state p { font-size: 15px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.show { display: block; }
    .nav-toggle { display: flex; }
    .main-content { margin-left: 0; padding: 70px 16px 16px; }
    .form-grid-2 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .filters-bar .form-control { max-width: 100%; width: 100%; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
}