:root {
    --bg-primary: #0f1724;
    --bg-secondary: #1a2436;
    --bg-card: #1e2a3e;
    --bg-input: #253349;
    --border-color: #2d3f58;
    --border-accent: #3b82f6;
    --text-primary: #e8edf5;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-blue-glow: rgba(59, 130, 246, 0.3);
    --accent-green: #22c55e;
    --accent-green-glow: rgba(34, 197, 94, 0.15);
    --accent-red: #ef4444;
    --accent-orange: #f59e0b;
    --accent-purple: #a78bfa;
    --gradient-blue: linear-gradient(135deg, #3b82f6, #2563eb);
    --gradient-green: linear-gradient(135deg, #22c55e, #16a34a);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 24px;
}

h1 {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 28px;
}

h2 {
    text-align: center;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
}

/* -- Top bar (usuario + logout) -- */
.topbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-logout:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
    background: rgba(239, 68, 68, 0.08);
}

/* -- Loading overlay -- */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    gap: 16px;
    transition: opacity 0.4s;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: var(--text-secondary);
    font-size: 14px;
}

/* -- Service Selector -- */
.service-selector {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    justify-content: center;
}

.service-btn {
    flex: 1;
    max-width: 380px;
    padding: 18px 24px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    position: relative;
    overflow: hidden;
}

.service-btn:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px var(--accent-blue-glow);
}

.service-btn.active {
    border-color: var(--accent-blue);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(37, 99, 235, 0.06));
    color: var(--text-primary);
    box-shadow: 0 0 24px var(--accent-blue-glow);
}

.service-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--gradient-blue);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s;
}

.service-btn.active .service-badge {
    opacity: 1;
    transform: scale(1);
}

/* -- Aeronave Selector -- */
.aircraft-selector {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    justify-content: center;
}

.aircraft-btn {
    flex: 1;
    max-width: 380px;
    padding: 18px 24px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.aircraft-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.aircraft-btn:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px var(--accent-blue-glow);
}

.aircraft-btn:hover::before {
    opacity: 1;
}

.aircraft-btn.active {
    border-color: var(--accent-blue);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(37, 99, 235, 0.06));
    box-shadow: 0 0 24px var(--accent-blue-glow);
}

.aircraft-btn.active::before {
    opacity: 1;
}

.aircraft-icon {
    font-size: 36px;
    line-height: 1;
}

.aircraft-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.aircraft-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

.aircraft-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--gradient-blue);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s;
}

.aircraft-btn.active .aircraft-badge {
    opacity: 1;
    transform: scale(1);
}

/* -- Controls -- */
.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-group input {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: all 0.2s;
    outline: none;
}

.control-group input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

.control-group input::-webkit-inner-spin-button {
    opacity: 0.5;
}

/* -- Specs display -- */
.specs-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 24px;
}

.spec-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.spec-chip .spec-val {
    color: var(--accent-blue);
    font-weight: 700;
}

/* -- KPI Summary Cards -- */
.kpi-row {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 100px;
}

.kpi-card.whatif {
    background: var(--bg-card);
    border: 1px dashed var(--border-color);
    box-shadow: none;
}

.kpi-card {
    flex: 1;
    max-width: 340px;
    text-align: center;
    padding: 22px 28px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(37, 99, 235, 0.06));
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kpi-card.green {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(22, 163, 74, 0.06));
    border-color: rgba(34, 197, 94, 0.3);
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.1);
}

.kpi-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: -0.5px;
}

.kpi-card.green .kpi-value {
    color: var(--accent-green);
}

.kpi-card.yellow {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(217, 119, 6, 0.06));
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.1);
}

.kpi-card.yellow .kpi-value {
    color: var(--accent-orange);
}

.kpi-card.red {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12), rgba(220, 38, 38, 0.06));
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.1);
}

.kpi-card.red .kpi-value {
    color: var(--accent-red);
}

.kpi-input-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpi-input {
    font-family: 'Inter', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-blue);
    background: transparent;
    border: none;
    border-bottom: 2px dashed rgba(59, 130, 246, 0.4);
    text-align: center;
    width: 160px;
    padding: 4px 0;
    outline: none;
    transition: border-color 0.2s;
    letter-spacing: -0.5px;
    -moz-appearance: textfield;
}

.kpi-input::-webkit-inner-spin-button,
.kpi-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.kpi-input:focus {
    border-bottom-color: var(--accent-blue);
    border-bottom-style: solid;
}

@media (max-width: 600px) {
    .kpi-row {
        flex-direction: column;
        align-items: center;
    }

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

/* -- Charts -- */
.charts-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 28px;
}

@media (max-width: 960px) {
    .charts-wrapper {
        display: none;
    }
}

.chart-container {
    height: 420px;
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: relative;
}

/* -- Audit Section -- */
.audit-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.audit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
}

.audit-card {
    background: var(--bg-card);
    padding: 18px;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent-blue);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.audit-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.audit-card h3 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-blue);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.audit-card p {
    margin: 5px 0;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
}

.audit-card span {
    font-weight: 700;
    font-family: 'Inter', monospace;
    color: var(--text-primary);
}

.audit-card.green {
    border-left-color: var(--accent-green);
}

.audit-card.green h3 {
    color: var(--accent-green);
}

.audit-card.orange {
    border-left-color: var(--accent-orange);
}

.audit-card.orange h3 {
    color: var(--accent-orange);
}

/* -- Animations -- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.4s ease-out forwards;
}

/* ═══════════════════════════════════════════════════════════════
   LOGIN PAGE STYLES
   ═══════════════════════════════════════════════════════════════ */

body.login-page {
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at 30% 40%, rgba(59, 130, 246, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 75% 70%, rgba(139, 92, 246, 0.10) 0%, transparent 50%),
        radial-gradient(ellipse at 10% 90%, rgba(34, 197, 94, 0.05) 0%, transparent 40%);
    overflow: hidden;
}

/* Grilla de fondo sutil */
body.login-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 24px;
    animation: fadeInUp 0.5s ease-out;
}

.login-card {
    background: rgba(30, 42, 62, 0.85);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 44px 40px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.04),
        0 24px 60px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(59, 130, 246, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
    filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.5));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-6px);
    }
}

.login-brand {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.login-subbrand {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.login-field {
    margin-bottom: 18px;
}

.login-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 8px;
}

.login-input-wrap {
    position: relative;
}

.login-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
    pointer-events: none;
    transition: color 0.2s;
}

.login-field input {
    width: 100%;
    padding: 13px 14px 13px 42px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    outline: none;
    transition: all 0.2s;
    -webkit-autofill-selected: transparent;
}

.login-field input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 100px var(--bg-input) inset;
    -webkit-text-fill-color: var(--text-primary);
}

.login-field input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-blue-glow);
    background: var(--bg-secondary);
}

.login-field input:focus+.login-input-icon,
.login-field .login-input-wrap:focus-within .login-input-icon {
    color: var(--accent-blue);
}

/* Reorder icon to be inside the wrapper properly */
.login-input-wrap input {
    order: 1;
}

.login-btn {
    width: 100%;
    padding: 14px;
    margin-top: 8px;
    background: var(--gradient-blue);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.login-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: background 0.2s;
}

.login-btn:hover::before {
    background: rgba(255, 255, 255, 0.08);
}

.login-btn:active {
    transform: scale(0.98);
}

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-btn-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-error {
    display: none;
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: #fca5a5;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    animation: fadeInUp 0.3s ease-out;
}

.login-error.visible {
    display: block;
}