/* ── RESET & TOKENS ─────────────────────────────────────── */
:root {
    --bg-dark:      #0b0d17;
    --bg-card:      rgba(22, 25, 40, 0.72);
    --border-card:  rgba(255,255,255,0.07);
    --primary-text: #e8eaf0;
    --secondary-text:#7c8ba1;
    --accent-blue:  #3b82f6;
    --accent-green: #10b981;
    --accent-purple:#8b5cf6;
    --accent-orange:#f59e0b;
    --accent-red:   #ef4444;
    --font: 'Inter', sans-serif;
    --radius-card:  16px;
    --radius-sm:    10px;
}

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

/* ── LOGIN GATE ─────────────────────────────────────────── */
#login-gate {
    position: fixed; inset: 0; z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-dark);
    background-image:
        radial-gradient(ellipse at 20% 20%, rgba(59,130,246,.18) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139,92,246,.14) 0%, transparent 50%);
    animation: fadeIn .4s ease;
}
.login-card {
    background: rgba(22,25,40,.88);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 24px; padding: 2.5rem 2rem; width: 100%; max-width: 420px;
    display: flex; flex-direction: column; align-items: center; gap: 1rem;
    backdrop-filter: blur(24px);
    box-shadow: 0 0 0 1px rgba(59,130,246,.12), 0 25px 60px rgba(0,0,0,.5);
    position: relative;
}
.login-card::before {
    content: ''; position: absolute; top: 0; left: 10%; right: 10%; height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-blue));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite; border-radius: 2px;
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }
.login-logo { margin-bottom: .5rem; }
.login-logo-img { max-height: 52px; filter: brightness(0) invert(1); }
.login-logo-icon {
    width: 52px; height: 52px; border-radius: 14px; font-size: 1.6rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex; align-items: center; justify-content: center;
}
.login-title {
    font-size: 1.5rem; font-weight: 800; text-align: center;
    background: linear-gradient(135deg, #fff 40%, var(--accent-blue));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.login-subtitle { font-size: .82rem; color: var(--secondary-text); text-align: center; line-height: 1.5; }
.login-input-wrap { position: relative; width: 100%; margin-top: .25rem; }
.login-input {
    width: 100%; background: rgba(10,12,22,.9);
    border: 1px solid var(--border-card); border-radius: var(--radius-sm);
    padding: .85rem 3rem .85rem 1.1rem;
    font-size: .95rem; font-family: var(--font); color: var(--primary-text);
    outline: none; transition: border-color .2s, box-shadow .2s; letter-spacing: .12em;
}
.login-input:focus { border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(59,130,246,.18); }
.login-input.shake {
    animation: shake .4s cubic-bezier(.36,.07,.19,.97); border-color: var(--accent-red) !important;
}
@keyframes shake {
    10%,90%{transform:translateX(-3px)} 20%,80%{transform:translateX(4px)}
    30%,70%{transform:translateX(-5px)} 40%,60%{transform:translateX(4px)} 50%{transform:translateX(-3px)}
}
.login-eye {
    position: absolute; right: .85rem; top: 50%; transform: translateY(-50%);
    background: none; border: none; cursor: pointer; font-size: 1rem; opacity: .5; transition: opacity .2s;
}
.login-eye:hover { opacity: 1; }
.login-btn {
    width: 100%; padding: .9rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none; border-radius: var(--radius-sm); color: #fff;
    font-size: 1rem; font-weight: 700; font-family: var(--font);
    cursor: pointer; transition: opacity .2s, transform .15s; letter-spacing: .03em;
}
.login-btn:hover { opacity: .9; } .login-btn:active { transform: scale(.98); }
.login-btn:disabled { opacity: .5; cursor: not-allowed; }
.login-error { font-size: .82rem; color: var(--accent-red); text-align: center; animation: fadeIn .3s ease; }
.login-credit { font-size: .72rem; color: var(--secondary-text); margin-top: .5rem; }
.login-credit a { color: var(--accent-blue); text-decoration: none; }
.login-credit a:hover { text-decoration: underline; }
#login-gate.hidden { animation: fadeOut .35s ease forwards; }
@keyframes fadeOut { to { opacity:0; pointer-events:none; visibility:hidden; } }
@media (max-width: 480px) { .login-card { padding: 2rem 1.25rem; margin: 1rem; } }

html, body {
    background-color: var(--bg-dark);
    color: var(--primary-text);
    font-family: var(--font);
    min-height: 100vh;
    overflow-x: hidden; /* NO HORIZONTAL SCROLL */
    background-image:
        radial-gradient(ellipse at 8% 15%,  rgba( 59,130,246,.13) 0%, transparent 45%),
        radial-gradient(ellipse at 92% 80%, rgba(139, 92,246,.10) 0%, transparent 45%);
}

/* ── LAYOUT ─────────────────────────────────────────────── */
.dashboard-container { 
    display:flex; 
    min-height: 100vh;
    width: 100%;
}

/* ── SIDEBAR ────────────────────────────────────────────── */
.sidebar {
    width: 220px;
    min-width: 220px;
    background: rgba(10,12,22,0.97);
    border-right: 1px solid var(--border-card);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.25rem;
    backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.logo { display:flex; align-items:center; gap:10px; margin-bottom:2.5rem; }
.logo-icon {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    width:36px; height:36px; border-radius:10px;
    display:flex; align-items:center; justify-content:center;
    font-size:1.2rem;
}
.logo-img {
    max-height: 48px;
    max-width: 150px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.nav-links { display:flex; flex-direction:column; gap:.4rem; flex-grow:1; }

.nav-link {
    text-decoration:none;
    color: var(--secondary-text);
    padding: .7rem 1rem;
    border-radius: var(--radius-sm);
    font-weight:500; font-size:.9rem;
    transition: all .2s ease;
    display:flex; align-items:center; gap:10px;
    border-left: 3px solid transparent;
}
.nav-link:hover { background:rgba(59,130,246,.08); color:var(--primary-text); }
.nav-link.active {
    background: rgba(59,130,246,.12);
    color: var(--primary-text);
    border-left-color: var(--accent-blue);
}
.nav-icon { font-size:1rem; }

.user-profile {
    display:flex; align-items:center; gap:10px;
    padding-top:1.5rem; border-top:1px solid var(--border-card);
    margin-top:auto;
}
.avatar {
    width:34px; height:34px; border-radius:50%;
    background: linear-gradient(135deg,#4facfe,#00f2fe);
    flex-shrink:0;
}
.user-profile .name  { font-weight:600; font-size:.85rem; }
.user-profile .role  { font-size:.75rem; color:var(--secondary-text); }

/* ── MAIN CONTENT ───────────────────────────────────────── */
.main-content { 
    flex-grow:1; 
    padding:2rem 2.5rem; 
    max-width: calc(100% - 220px); /* Evitar desbordamiento en flex */
    min-width: 0;
}

/* ── HEADER ─────────────────────────────────────────────── */
.header {
    display:flex; align-items:center; gap:1rem;
    margin-bottom:2rem; flex-wrap:wrap;
}
.header > div:first-child { flex-grow:1; }
.header h1 { font-size:1.7rem; font-weight:800; line-height:1.2; }
.subtitle  { color:var(--secondary-text); font-size:.875rem; margin-top:.2rem; }

.glass-select {
    background: rgba(10,12,22,.85);
    color: var(--primary-text);
    border: 1px solid var(--border-card);
    padding: .65rem 2.2rem .65rem 1rem;
    border-radius: var(--radius-sm);
    font-size:.875rem; font-weight:500;
    backdrop-filter: blur(8px);
    cursor:pointer; outline:none;
    appearance:none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237c8ba1' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat:no-repeat; background-position:right .75rem center; background-size:.9rem;
}
.glass-select:hover { border-color:var(--accent-blue); box-shadow:0 0 12px rgba(59,130,246,.2); }
.glass-select option { background:var(--bg-dark); }

.date-range-card {
    background: var(--bg-card);
    border:1px solid rgba(255,255,255,.1);
    padding:.9rem 1.4rem;
    border-radius:var(--radius-sm);
    display:flex; align-items:center; gap:12px;
    backdrop-filter:blur(12px);
    box-shadow:0 4px 20px rgba(0,0,0,.25);
    white-space:nowrap;
}
.pulse {
    width:9px; height:9px; background:var(--accent-green);
    border-radius:50%; flex-shrink:0;
    animation: pulse 2s infinite;
    box-shadow:0 0 0 0 rgba(16,185,129,.7);
}
@keyframes pulse {
    0%   { transform:scale(.95); box-shadow:0 0 0 0 rgba(16,185,129,.7); }
    70%  { transform:scale(1);   box-shadow:0 0 0 8px rgba(16,185,129,0); }
    100% { transform:scale(.95); box-shadow:0 0 0 0 rgba(16,185,129,0); }
}
.date-range-card .label { font-size:.7rem; color:var(--secondary-text); text-transform:uppercase; letter-spacing:.05em; }
.date-range-card h3 { font-size:1rem; font-weight:600; }

/* ── TAB SYSTEM ─────────────────────────────────────────── */
.tab-content { display:none; }
.tab-content.active-tab { display:block; }
.fade-in { animation: fadeIn .35s ease forwards; }
@keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

/* ── KPI GRID ───────────────────────────────────────────── */
.kpi-grid {
    display:grid;
    /* Auto-fit magic: cards will distribute themselves downwards neatly */
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap:1.25rem;
    margin-bottom:1.5rem;
}

.kpi-card {
    background: var(--bg-card);
    border:1px solid var(--border-card);
    border-radius:var(--radius-card);
    padding:1.4rem;
    backdrop-filter:blur(12px);
    transition: transform .2s, box-shadow .2s;
    position:relative;
    display: flex;
    flex-direction: column;
}
.kpi-card:hover { transform:translateY(-3px); box-shadow:0 8px 28px rgba(0,0,0,.35); z-index:10;}
.kpi-card::before {
    content:''; position:absolute; top:0; left:0;
    width:100%; height:3px;
    background: var(--border-card);
    border-top-left-radius: var(--radius-card);
    border-top-right-radius: var(--radius-card);
}
.kpi-card.text-glow-blue::before   { background:var(--accent-blue); }
.kpi-card.text-glow-green::before  { background:var(--accent-green); }
.kpi-card.text-glow-purple::before { background:var(--accent-purple); }
.kpi-card.text-glow-orange::before { background:var(--accent-orange); }
.kpi-card.text-glow-red::before    { background:var(--accent-red); }

.kpi-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:.9rem; }
.kpi-header h3 { font-size:.8rem; color:var(--secondary-text); font-weight:500; text-transform:uppercase; letter-spacing:.04em; }
.kpi-header .icon { font-size:1.15rem; opacity:.8; }

.kpi-value {
    font-size:1.9rem; font-weight:800;
    letter-spacing:-.03em; line-height:1;
    margin-bottom:.5rem;
}
.trend { font-size:.775rem; color:var(--secondary-text); }
.trend.positive { color:var(--accent-green); }
.trend.negative { color:var(--accent-red); }
.trend.secondary { color:var(--secondary-text); font-size:.72rem; margin-top:.15rem; }

/* ── CHART GRIDS ────────────────────────────────────────── */
.charts-grid {
    display:grid;
    gap:1.25rem;
    margin-bottom:1.5rem;
}
/* Re-enable original fixed grids for charts so they layout nicely */
.charts-grid.two-plus-one { grid-template-columns: 2fr 1fr; }
.charts-grid.halves { grid-template-columns: 1fr 1fr; }
.charts-grid.thirds { grid-template-columns: 1fr 1fr 1fr; }

@media (max-width: 1200px) {
    .charts-grid.two-plus-one { grid-template-columns: 1fr; }
}

.chart-card { 
    background:var(--bg-card); 
    border:1px solid var(--border-card); 
    border-radius:var(--radius-card); 
    padding:1.4rem; 
    backdrop-filter:blur(12px); 
    display:flex;
    flex-direction:column;
}
.chart-card h3 { font-size:.95rem; font-weight:600; margin-bottom:1.25rem; color:var(--primary-text); }

.chart-wrapper { position:relative; width:100%; height:300px; }

/* ── HEATMAP ────────────────────────────────────────────── */
.heatmap-container { overflow-x:auto; padding-bottom:.5rem; }
.heatmap-table {
    border-collapse:separate; border-spacing:2px;
    font-size:.65rem; color:var(--secondary-text);
}
.heatmap-table th { padding:.2rem .4rem; text-align:right; white-space:nowrap; }
.heatmap-table td.hm-cell {
    width:28px; height:22px; border-radius:3px;
    transition:transform .15s; cursor:default;
}
.heatmap-table td.hm-cell:hover { transform:scale(1.3); z-index:10; position:relative; }
.heatmap-col-head { text-align:center; font-size:.6rem; }

/* ── SUMMARY TABLE ──────────────────────────────────────── */
.summary-table-wrap { overflow-x: auto; margin-top: .25rem; }
.summary-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.summary-table th {
    color: var(--secondary-text); text-align: left; font-weight: 500;
    padding: .5rem .75rem; border-bottom: 1px solid var(--border-card); white-space: nowrap;
}
.summary-table td { padding: .55rem .75rem; border-bottom: 1px solid rgba(255,255,255,.04); white-space: nowrap; }
.summary-table tr:last-child td { border-bottom: none; }
.summary-table .pill {
    display: inline-block; background: rgba(16,185,129,.12); color: var(--accent-green);
    border-radius: 20px; padding: .1rem .65rem; font-size: .75rem; font-weight: 600;
}
.summary-table .pill.red { background: rgba(239,68,68,.12); color: var(--accent-red); }

/* ── SHIP REVENUE ───────────────────────────────────────── */
.ship-rev-container { overflow:auto; max-height: 120px; }
.ship-rev-item { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.ship-rev-item:last-child { border-bottom: none; }
.ship-name { color: var(--secondary-text); font-size: 0.9rem; }
.ship-val { font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; }

/* ── TOOLTIPS ───────────────────────────────────────────── */
.tooltip-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 16px; height: 16px; background: rgba(255,255,255,0.1);
    border-radius: 50%; font-size: 10px; color: var(--secondary-text);
    cursor: help; margin-left: 6px; position: relative;
    transition: all 0.2s; z-index: 50;
}
.tooltip-icon:hover { background: var(--accent-blue); color: white; }
.tooltip-icon::before {
    content: attr(data-tooltip);
    position: absolute; bottom: 125%; left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #ffffff; color: #0f172a;
    padding: 10px 14px; border-radius: 6px;
    font-size: 12px; width: 250px; line-height: 1.5; text-align: left;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.5);
    opacity: 0; pointer-events: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}
.tooltip-icon:hover::before { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── COLOR HELPERS ──────────────────────────────────────── */
.text-green  { color: var(--accent-green);  }
.text-blue   { color: var(--accent-blue);   }
.text-purple { color: var(--accent-purple); }
.text-orange { color: var(--accent-orange); }

/* ── RESPONSIVE COMPATIBILITY ───────────────────────────── */

/* ── Tablet (≤ 1024px): icon-only sidebar ─────────────── */
@media (max-width: 1024px) {
    .sidebar {
        width: 72px;
        min-width: 72px;
        padding: 1.5rem .6rem;
        align-items: center;
    }
    .logo { justify-content: center; margin-bottom: 2rem; }
    .logo-img { max-width: 38px; max-height: 38px; }
    .nav-link { 
        justify-content: center; 
        padding: .75rem; 
        font-size: 0;        /* hide text */
        border-left: none;
        border-radius: 12px;
    }
    .nav-link .nav-icon { font-size: 1.25rem; margin: 0; }
    .nav-link.active { border-left: none; border-bottom: 3px solid var(--accent-blue); }
    .sidebar-credit { display: none; }
    .main-content { 
        max-width: calc(100% - 72px); 
        padding: 1.5rem 1.25rem;
    }
}

/* ── Mobile (≤ 640px): bottom navigation bar ─────────── */
@media (max-width: 640px) {
    body { padding-bottom: 70px; } /* space for bottom nav */

    .sidebar { display: none; }    /* hide desktop sidebar */

    .main-content { 
        max-width: 100%; 
        padding: 1rem .85rem;
    }

    /* ── Header stack ── */
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: .75rem;
        margin-bottom: 1.25rem;
    }
    .header h1 { font-size: clamp(1.2rem, 5vw, 1.6rem); }
    .filters, .date-range-card { width: 100%; }
    .glass-select { width: 100%; }
    .date-range-card { justify-content: flex-start; }

    /* ── KPI grid: 2 columns on phone ── */
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: .85rem;
    }
    .kpi-value { font-size: clamp(1.1rem, 5vw, 1.6rem); }
    .kpi-card { padding: 1rem; }

    /* ── Charts: single column ── */
    .charts-grid,
    .charts-grid.two-plus-one,
    .charts-grid.halves,
    .charts-grid.thirds { 
        grid-template-columns: 1fr; 
    }
    .chart-wrapper { height: 220px; }

    /* ── Heatmap: compress ── */
    .heatmap-table td.hm-cell { width: 20px; height: 18px; }

    /* ── Summary table ── */
    .summary-table { font-size: .75rem; }
    .summary-table th, .summary-table td { padding: .4rem .5rem; }
}

/* ── Extra small (≤ 380px): single column cards ───────── */
@media (max-width: 380px) {
    .kpi-grid { grid-template-columns: 1fr; }
}

/* ── Mobile Bottom Navigation Bar ──────────────────────── */
.mobile-bottom-nav {
    display: none; /* hidden on desktop */
}

@media (max-width: 640px) {
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0; left: 0; right: 0;
        background: rgba(10,12,22,0.98);
        border-top: 1px solid var(--border-card);
        backdrop-filter: blur(20px);
        z-index: 1000;
        padding: .5rem 0 max(.5rem, env(safe-area-inset-bottom));
        justify-content: space-around;
        align-items: center;
        height: 64px;
    }

    .mobile-nav-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        background: none;
        border: none;
        cursor: pointer;
        color: var(--secondary-text);
        font-size: .65rem;
        font-family: var(--font);
        padding: .3rem .5rem;
        border-radius: 10px;
        transition: all .2s ease;
        flex: 1;
    }
    .mobile-nav-btn .m-icon { font-size: 1.25rem; line-height: 1; }
    .mobile-nav-btn span:not(.m-icon) { font-weight: 500; letter-spacing: .02em; }
    .mobile-nav-btn:hover,
    .mobile-nav-btn.active {
        color: var(--accent-blue);
        background: rgba(59,130,246,.1);
    }
    .mobile-nav-btn.active .m-icon {
        filter: drop-shadow(0 0 6px rgba(59,130,246,.8));
    }
}

/* ── SIDEBAR CREDIT ─────────────────────────────────────── */
.sidebar-credit {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
}

.credit-label {
    font-size: .65rem;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: .06em;
    opacity: .6;
}

.credit-link {
    display: flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
    color: var(--secondary-text);
    font-size: .8rem;
    font-weight: 600;
    padding: .4rem .85rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-card);
    transition: all .25s ease;
    white-space: nowrap;
}

.credit-link:hover {
    color: var(--primary-text);
    border-color: var(--accent-blue);
    background: rgba(59,130,246,.1);
    box-shadow: 0 0 14px rgba(59,130,246,.2);
}

.credit-icon {
    font-size: .85rem;
    filter: drop-shadow(0 0 4px rgba(59,130,246,.7));
}