/* CSE Portfolio — Premium Dark UI */

:root {
    --bg-deep: #070b14;
    --bg-card: #0e1623;
    --bg-elevated: #1a2438;
    --bg-input: #0c1220;
    --bg-hover: rgba(255, 255, 255, 0.04);
    --bg-active: rgba(255, 255, 255, 0.07);

    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.13);
    --border-accent: rgba(249, 115, 22, 0.3);

    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --text-soft: #64748b;

    --accent: #f97316;
    --accent-hover: #ea580c;
    --accent-subtle: rgba(249, 115, 22, 0.09);
    --accent-glow: rgba(249, 115, 22, 0.28);

    --profit: #22c55e;
    --loss: #ef4444;

    --r-xs: 6px;
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 20px;
    --font: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

body.theme-dark {
    background-color: var(--bg-deep);
    background-image:
        radial-gradient(700px 420px at 0% 0%, rgba(249, 115, 22, 0.08) 0%, transparent 65%),
        radial-gradient(700px 420px at 100% 100%, rgba(59, 130, 246, 0.08) 0%, transparent 65%);
    color: var(--text-main);
    font-family: var(--font);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
}

strong {
    color: var(--text-main);
}

code {
    color: var(--accent);
    background: var(--accent-subtle);
    border-radius: var(--r-xs);
    padding: 0.15rem 0.4rem;
}

.text-muted,
.text-muted-soft {
    color: var(--text-muted) !important;
}

.text-soft {
    color: var(--text-soft) !important;
}

.text-light {
    color: var(--text-main) !important;
}

.text-secondary {
    color: var(--text-muted) !important;
}

.text-accent,
.accent {
    color: var(--accent) !important;
}

.text-profit {
    color: var(--profit) !important;
}

.text-loss {
    color: var(--loss) !important;
}

.border-secondary,
.border-secondary-subtle {
    border-color: var(--border) !important;
}

.vr {
    background-color: var(--border-strong) !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    letter-spacing: -0.02em;
    font-weight: 700;
    color: var(--text-main);
}

/* Navbar */
.app-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(7, 11, 20, 0.88) !important;
    border-bottom: 1px solid var(--border) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.navbar-brand {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-main) !important;
}

.app-navbar .nav-link {
    color: var(--text-muted) !important;
    border-radius: var(--r-sm);
    padding: 0.45rem 0.8rem !important;
    font-weight: 500;
    transition: color 0.2s var(--ease), background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus-visible {
    color: var(--text-main) !important;
    background: var(--bg-hover);
}

.app-navbar .nav-link.active {
    color: var(--text-main) !important;
    background: var(--bg-active);
}

.app-navbar .nav-link.accent {
    color: var(--accent) !important;
    background: var(--accent-subtle);
}

.navbar-toggler {
    border-color: var(--border-strong);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(249, 115, 22, 0.2);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(148,163,184,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Layout helpers */
.app-main {
    position: relative;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15), 0 4px 20px rgba(0, 0, 0, 0.18);
    color: var(--text-main);
}

.card-header,
.card-footer {
    background: transparent;
    border-color: var(--border);
}

.stat-card {
    background: linear-gradient(150deg, var(--bg-card), #111d38);
    border: 1px solid var(--border);
    transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-accent);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(249, 115, 22, 0.1);
}

.stat-card .label {
    color: var(--text-soft);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.stat-card .value {
    color: var(--text-main);
    font-size: 1.4rem;
    font-weight: 800;
}

.dashboard-hero {
    background: linear-gradient(135deg, #141d31 0%, #0d1526 55%, #111d35 100%);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.dashboard-hero::before,
.dashboard-hero::after {
    content: "";
    position: absolute;
    border-radius: 9999px;
    filter: blur(42px);
    pointer-events: none;
}

.dashboard-hero::before {
    width: 300px;
    height: 300px;
    right: -80px;
    top: -120px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
}

.dashboard-hero::after {
    width: 320px;
    height: 320px;
    left: -130px;
    bottom: -180px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, transparent 72%);
}

.dashboard-hero .card-body {
    position: relative;
    z-index: 1;
}

.mini-stat {
    background: rgba(18, 29, 48, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.mini-stat:hover {
    border-color: var(--border-accent);
    background: rgba(20, 32, 53, 0.85);
    transform: translateY(-1px);
}

/* Tables */
.table-card {
    overflow: hidden;
}

.table,
.table-dark {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-main);
    --bs-table-border-color: var(--border);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.03);
    --bs-table-hover-color: var(--text-main);
    color: var(--text-main);
    margin-bottom: 0;
}

.table thead th {
    color: var(--text-soft);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border);
    padding: 0.85rem 1rem;
}

.table tbody td {
    color: var(--text-main);
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
    padding: 0.8rem 1rem;
    vertical-align: middle;
}

.table tbody tr:hover td {
    background: rgba(255, 255, 255, 0.015);
}

.table tr:last-child td {
    border-bottom: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    border-radius: var(--r-sm);
    font-weight: 600;
    transition: all 0.2s var(--ease);
}

.btn-accent {
    background: var(--accent);
    color: #fff !important;
    border: 1px solid transparent;
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
}

.btn-accent:hover,
.btn-accent:focus-visible {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 28px rgba(234, 88, 12, 0.38);
}

.btn-outline-accent {
    border: 1px solid var(--border-accent);
    color: var(--accent);
    background: var(--accent-subtle);
}

.btn-outline-accent:hover,
.btn-outline-accent:focus-visible {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.btn-outline-secondary {
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
    background: transparent;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus-visible {
    border-color: var(--text-muted);
    color: var(--text-main);
    background: var(--bg-hover);
}

.btn-outline-light {
    border: 1px solid var(--border-strong);
    color: var(--text-main);
    background: var(--bg-hover);
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
    background: var(--bg-active);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.btn-link {
    color: var(--accent);
    text-decoration: none;
}

.btn-link:hover,
.btn-link:focus-visible {
    color: var(--accent-hover);
    text-decoration: underline;
}

.btn-link.text-danger,
.btn-link.text-danger:hover {
    color: var(--loss) !important;
}

/* Forms */
.theme-dark .form-control,
.theme-dark .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border-strong);
    color: var(--text-main);
    border-radius: var(--r-sm);
    min-height: 42px;
}

.theme-dark .form-control::placeholder {
    color: var(--text-soft);
    opacity: 1;
}

.theme-dark .form-control:focus,
.theme-dark .form-select:focus {
    background: var(--bg-elevated);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.16);
    color: var(--text-main);
}

.theme-dark .form-select {
    --bs-form-select-bg-img: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba(148,163,184,0.9)' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.form-label {
    color: var(--text-main);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.45rem;
}

.form-text {
    color: var(--text-muted) !important;
}

.form-check-label {
    color: var(--text-muted);
}

/* Alerts */
.alert {
    border: 0;
    border-radius: var(--r-md);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border-left: 3px solid var(--profit);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border-left: 3px solid var(--loss);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.12);
    color: #fbbf24;
    border-left: 3px solid #f59e0b;
}

/* Misc utilities */
.badge-type {
    display: inline-flex;
    align-items: center;
    background: var(--accent-subtle);
    color: var(--accent);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-xs);
    padding: 0.35em 0.7em;
    font-weight: 600;
}

.accent-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.accent-link:hover,
.accent-link:focus-visible {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Login */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-deep);
    background-image:
        radial-gradient(650px 400px at 0% 0%, rgba(249, 115, 22, 0.08) 0%, transparent 70%),
        radial-gradient(620px 400px at 100% 100%, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-xl);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 20px 60px rgba(0, 0, 0, 0.55), 0 4px 16px rgba(0, 0, 0, 0.25);
}

.shadow-2xl {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

/* Setup wizard */
.setup-wizard-wrap {
    max-width: 680px;
    width: 100%;
}

.setup-stepper {
    display: flex;
    align-items: flex-start;
    position: relative;
    gap: 0.2rem;
}

.setup-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    position: relative;
    z-index: 1;
}

.setup-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 15px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--border-strong);
    z-index: -1;
}

.setup-step.done::after,
.setup-step.active::after {
    background: var(--accent);
}

.setup-step-circle {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    border: 2px solid var(--border-strong);
    color: var(--text-soft);
    background: var(--bg-card);
    font-size: 0.82rem;
    font-weight: 700;
}

.setup-step.done .setup-step-circle {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.setup-step.active .setup-step-circle {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.14);
}

.setup-step-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-soft);
    text-align: center;
}

.setup-step.done .setup-step-label,
.setup-step.active .setup-step-label {
    color: var(--accent);
}

.setup-checklist {
    color: var(--text-main);
    line-height: 1.9;
}

.setup-callout {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 0.875rem;
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card,
.dashboard-hero {
    animation: fadeUp 0.32s var(--ease) both;
}

/* Accessibility */
:focus-visible {
    outline: 2px solid rgba(249, 115, 22, 0.6);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* Tablet */
@media (max-width: 991px) {
    .app-navbar .navbar-collapse {
        margin-top: 0.6rem;
        padding: 0.5rem;
        border: 1px solid var(--border);
        border-radius: var(--r-md);
        background: var(--bg-elevated);
    }

    .app-navbar .btn {
        width: 100%;
        margin-top: 0.35rem;
    }
}

/* Phone */
@media (max-width: 767px) {
    .dashboard-hero .card-body {
        padding: 1.25rem !important;
    }

    .stat-card .value {
        font-size: 1.15rem;
    }

    .display-6 {
        font-size: 1.55rem;
    }

    .table thead th,
    .table tbody td {
        padding: 0.65rem 0.75rem;
        font-size: 0.8rem;
    }

    .card {
        border-radius: var(--r-md);
    }

    .btn {
        min-height: 42px;
    }

    .btn-sm {
        min-height: 36px;
    }
}

/* Very small screens */
@media (max-width: 575px) {
    .container,
    .container-fluid {
        padding-left: 0.875rem;
        padding-right: 0.875rem;
    }

    .setup-step-circle {
        width: 28px;
        height: 28px;
        font-size: 0.72rem;
    }

    .setup-step-label {
        font-size: 0.6rem;
    }
}