/* public/css/app.css */
:root {
    --gold:       #C9A84C;
    --gold-dark:  #A8873A;
    --gold-light: #F0D27A;
    --dark:       #1A1A2E;
    --darker:     #12121F;
    --surface:    #16213E;
    --surface2:   #1E2D55;
    --text:       #E8E8F0;
    --text-muted: #8888AA;
    --green:      #28a745;
    --red:        #dc3545;
    --blue:       #0d6efd;
    --radius:     8px;
    --shadow:     0 4px 20px rgba(0,0,0,.4);
}

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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--darker);
    color: var(--text);
    min-height: 100vh;
    font-size: 14px;
}

/* ── SIDEBAR ── */
.sidebar {
    position: fixed; top: 0; left: 0;
    width: 240px; height: 100vh;
    background: var(--dark);
    border-right: 1px solid rgba(201,168,76,.15);
    display: flex; flex-direction: column;
    z-index: 1000; overflow-y: auto;
}
.sidebar-brand {
    padding: 20px 16px;
    border-bottom: 1px solid rgba(201,168,76,.2);
    display: flex; align-items: center; gap: 10px;
}
.sidebar-brand .logo { font-size: 22px; }
.sidebar-brand h1 { font-size: 15px; font-weight: 700; color: var(--gold); line-height: 1.2; }
.sidebar-brand span { font-size: 11px; color: var(--text-muted); }

.sidebar-nav { flex: 1; padding: 10px 0; }
.nav-label {
    font-size: 10px; font-weight: 600; letter-spacing: 1.5px;
    color: var(--text-muted); padding: 14px 16px 6px; text-transform: uppercase;
}
.nav-link {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; color: var(--text-muted);
    text-decoration: none; transition: all .2s;
    border-left: 3px solid transparent;
    font-size: 13.5px;
}
.nav-link:hover, .nav-link.active {
    color: var(--gold); background: rgba(201,168,76,.08);
    border-left-color: var(--gold);
}
.nav-link .icon { width: 18px; text-align: center; }

/* ── TOPBAR ── */
.topbar {
    position: fixed; top: 0; left: 240px; right: 0; height: 58px;
    background: var(--dark); border-bottom: 1px solid rgba(201,168,76,.15);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; z-index: 999;
}
.topbar-title { font-size: 17px; font-weight: 600; }
.topbar-user { display: flex; align-items: center; gap: 12px; }
.avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--gold); color: var(--dark);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
}

/* ── MAIN CONTENT ── */
.main { margin-left: 240px; padding-top: 58px; min-height: 100vh; }
.content { padding: 24px; }

/* ── CARDS ── */
.card {
    background: var(--surface); border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,.06);
    box-shadow: var(--shadow);
}
.card-header {
    padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,.06);
    display: flex; align-items: center; justify-content: space-between;
    font-weight: 600;
}
.card-body { padding: 20px; }

/* ── STAT CARDS ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 16px; margin-bottom: 24px;
}
.stat-card {
    background: var(--surface); border-radius: var(--radius);
    padding: 18px 20px; border: 1px solid rgba(255,255,255,.06);
    position: relative; overflow: hidden;
}
.stat-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
}
.stat-card .label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .8px; }
.stat-card .value { font-size: 24px; font-weight: 700; color: var(--gold); margin: 6px 0 2px; }
.stat-card .sub   { font-size: 11px; color: var(--text-muted); }
.stat-card .icon-bg {
    position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
    font-size: 36px; opacity: .08;
}

/* ── TABLES ── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
    padding: 11px 14px; font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .7px;
    color: var(--text-muted); border-bottom: 1px solid rgba(255,255,255,.08);
    white-space: nowrap; cursor: pointer; user-select: none;
}
thead th:hover { color: var(--gold); }
tbody tr { border-bottom: 1px solid rgba(255,255,255,.04); transition: background .15s; }
tbody tr:hover { background: rgba(201,168,76,.04); }
tbody td { padding: 11px 14px; font-size: 13.5px; }
tbody tr:last-child { border-bottom: none; }

/* ── BADGES ── */
.badge {
    display: inline-block; padding: 2px 9px; border-radius: 20px;
    font-size: 11px; font-weight: 600; letter-spacing: .3px;
}
.badge-open   { background: rgba(13,110,253,.2);  color: #7cb9ff; }
.badge-closed { background: rgba(40,167,69,.2);   color: #6dda8f; }
.badge-paid   { background: rgba(40,167,69,.2);   color: #6dda8f; }
.badge-buy    { background: rgba(13,110,253,.2);  color: #7cb9ff; }
.badge-sell   { background: rgba(220,53,69,.2);   color: #ff8a94; }
.badge-in     { background: rgba(40,167,69,.2);   color: #6dda8f; }
.badge-out    { background: rgba(220,53,69,.2);   color: #ff8a94; }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 5px; font-size: 12.5px; color: var(--text-muted); font-weight: 500; }
.form-control, .form-select {
    width: 100%; padding: 9px 12px;
    background: var(--surface2); border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius); color: var(--text); font-size: 14px;
    transition: border-color .2s; outline: none;
}
.form-control:focus, .form-select:focus { border-color: var(--gold); }
.form-select option { background: var(--surface2); }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ── BUTTONS ── */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: var(--radius); font-size: 13.5px;
    font-weight: 500; border: none; cursor: pointer; text-decoration: none;
    transition: all .2s; white-space: nowrap;
}
.btn-gold    { background: var(--gold); color: var(--dark); }
.btn-gold:hover { background: var(--gold-light); }
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,.2); color: var(--text); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-danger  { background: var(--red); color: #fff; }
.btn-danger:hover { background: #bb2d3b; }
.btn-success { background: var(--green); color: #fff; }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-icon { padding: 6px 9px; }

/* ── SEARCH / PAGINATION ── */
.table-controls {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 14px; flex-wrap: wrap;
}
.search-box {
    display: flex; align-items: center;
    background: var(--surface2); border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius); overflow: hidden;
}
.search-box input {
    background: none; border: none; outline: none; padding: 8px 12px;
    color: var(--text); font-size: 13.5px; width: 220px;
}
.search-box .search-icon { padding: 0 12px; color: var(--text-muted); }

.pagination { display: flex; align-items: center; gap: 4px; margin-top: 14px; justify-content: center; }
.page-btn {
    padding: 6px 12px; border-radius: 6px; border: 1px solid rgba(255,255,255,.1);
    background: none; color: var(--text-muted); cursor: pointer; font-size: 13px;
    text-decoration: none;
}
.page-btn:hover, .page-btn.active { border-color: var(--gold); color: var(--gold); }

.per-page { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.per-page select { width: auto; padding: 5px 8px; }
.records-info { font-size: 12.5px; color: var(--text-muted); }

/* ── ALERTS ── */
.alert {
    padding: 12px 16px; border-radius: var(--radius);
    margin-bottom: 16px; font-size: 13.5px; border-left: 4px solid;
}
.alert-success { background: rgba(40,167,69,.1);  border-color: var(--green); color: #6dda8f; }
.alert-danger  { background: rgba(220,53,69,.1);  border-color: var(--red);   color: #ff8a94; }
.alert-info    { background: rgba(13,110,253,.1); border-color: var(--blue);  color: #7cb9ff; }

/* ── SPLIT VIEW (Screen 4.1, 11) ── */
.split-view { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.split-panel { background: var(--surface); border-radius: var(--radius); border: 1px solid rgba(255,255,255,.06); }
.split-panel-header {
    padding: 12px 16px; font-weight: 600; font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    display: flex; align-items: center; gap: 8px;
}
.split-panel-header.buy-header  { border-top: 3px solid #7cb9ff; }
.split-panel-header.sell-header { border-top: 3px solid #ff8a94; }

/* ── MAGIC BOX ── */
.magic-box-wrapper {
    max-width: 600px; margin: 0 auto;
}
.magic-box-tabs {
    display: flex; gap: 0; border-radius: var(--radius); overflow: hidden;
    border: 1px solid rgba(255,255,255,.1); margin-bottom: 20px;
}
.tab-btn {
    flex: 1; padding: 12px; text-align: center; font-weight: 600; font-size: 14px;
    cursor: pointer; border: none; transition: all .2s;
    background: var(--surface2); color: var(--text-muted);
}
.tab-btn.buy-active  { background: rgba(13,110,253,.3);  color: #7cb9ff; }
.tab-btn.sell-active { background: rgba(220,53,69,.3);   color: #ff8a94; }

/* ── DROPDOWN ── */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
    display: none; position: absolute; right: 0; top: 100%; min-width: 160px;
    background: var(--surface); border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius); box-shadow: var(--shadow); z-index: 200; overflow: hidden;
}
.dropdown-menu.show { display: block; }
.dropdown-item {
    display: block; padding: 9px 14px; color: var(--text); text-decoration: none;
    font-size: 13.5px; transition: background .15s;
}
.dropdown-item:hover { background: rgba(201,168,76,.1); color: var(--gold); }
.dropdown-divider { border: none; border-top: 1px solid rgba(255,255,255,.08); margin: 4px 0; }

/* ── WHATSAPP BUTTON ── */
.btn-whatsapp {
    background: #25D366; color: #fff; border: none; padding: 5px 10px;
    border-radius: var(--radius); cursor: pointer; font-size: 12px;
    display: inline-flex; align-items: center; gap: 4px; text-decoration: none;
}
.btn-whatsapp:hover { background: #1ebe5a; }

/* ── MISC ── */
.text-gold   { color: var(--gold); }
.text-green  { color: #6dda8f; }
.text-red    { color: #ff8a94; }
.text-muted  { color: var(--text-muted); }
.fw-bold     { font-weight: 700; }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-2 { gap: 8px; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: .4; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform .3s; }
    .sidebar.open { transform: none; }
    .main, .topbar { margin-left: 0; left: 0; }
    .split-view { grid-template-columns: 1fr; }
    .form-grid-3, .form-grid-2 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── LOGIN PAGE ── */
.login-page {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
    background: radial-gradient(ellipse at 60% 40%, rgba(201,168,76,.08) 0%, transparent 60%), var(--darker);
}
.login-card { width: 380px; }
.login-brand { text-align: center; padding: 28px 20px 0; }
.login-brand .coin { font-size: 48px; }
.login-brand h2 { color: var(--gold); font-size: 22px; margin-top: 8px; }
.login-brand p { color: var(--text-muted); font-size: 13px; }