@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

:root {
    color-scheme: light;

    --c-blue-950: #0b1b3a;
    --c-blue-900: #0c2a5a;
    --c-blue-800: #0f3b7a;
    --c-blue-700: #1155b3;
    --c-blue-600: #1e6ee6;
    --c-blue-500: #2f86ff;

    --c-red-700: #b42318;
    --c-red-600: #d92d20;

    --c-green-700: #067647;
    --c-green-600: #079455;

    --c-white: #ffffff;
    --c-slate-50: #f8fafc;
    --c-slate-100: #eef2f6;
    --c-slate-200: #e2e8f0;
    --c-slate-300: #cbd5e1;
    --c-slate-600: #475569;
    --c-slate-700: #334155;
    --c-slate-900: #0f172a;

    --bg: var(--c-slate-50);
    --surface: rgba(255, 255, 255, 0.86);
    --surface-solid: var(--c-white);
    --text: var(--c-slate-900);
    --muted: var(--c-slate-600);
    --border: rgba(15, 23, 42, 0.10);

    --brand: var(--c-blue-700);
    --brand-strong: var(--c-blue-900);
    --brand-soft: rgba(30, 110, 230, 0.12);

    --success: var(--c-green-600);
    --danger: var(--c-red-600);

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;

    --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-2: 0 10px 30px rgba(15, 23, 42, 0.10);
    --shadow-3: 0 24px 60px rgba(15, 23, 42, 0.14);

    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --t-fast: 140ms var(--ease-out);
    --t-med: 220ms var(--ease-out);
    --t-slow: 420ms var(--ease-out);

    --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
        radial-gradient(1200px 600px at 12% 10%, rgba(47, 134, 255, 0.18), transparent 60%),
        radial-gradient(900px 500px at 88% 18%, rgba(7, 148, 85, 0.10), transparent 60%),
        radial-gradient(900px 520px at 70% 92%, rgba(217, 45, 32, 0.08), transparent 62%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.70), rgba(248, 250, 252, 1));
    transform: translate3d(0, 0, 0);
    animation: bgShift 12s var(--ease-out) infinite alternate;
}

a {
    color: var(--brand);
    text-decoration: none;
    transition: color var(--t-fast);
}

a:hover {
    color: var(--c-blue-600);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(47, 134, 255, 0.35);
    outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 650;
    letter-spacing: -0.02em;
    color: var(--brand-strong);
}

main h1, main h2, main h3 {
    animation: titleReveal 700ms var(--ease-out) both;
}

main h2 { animation-delay: 60ms; }
main h3 { animation-delay: 120ms; }

.navbar {
    background: var(--surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-1);
}

.navbar .container {
    padding-left: 1rem;
    padding-right: 1rem;
}

.navbar-brand {
    font-weight: 750;
    letter-spacing: -0.02em;
    color: var(--brand-strong) !important;
}

.nav-link {
    color: rgba(15, 23, 42, 0.78) !important;
    font-weight: 600;
    transition: color var(--t-fast), transform var(--t-fast);
}

.nav-link:hover {
    color: var(--brand) !important;
    transform: translateY(-1px);
}

.box-shadow {
    box-shadow: var(--shadow-1) !important;
}

.card {
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    overflow: hidden;
    transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2);
    border-color: rgba(47, 134, 255, 0.22);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    padding: 1.1rem 1.2rem;
    font-weight: 650;
    color: var(--brand-strong);
}

.card-body {
    padding: 1.2rem;
}

.btn {
    border-radius: 12px;
    font-weight: 650;
    letter-spacing: 0.01em;
    transition: transform var(--t-fast), box-shadow var(--t-fast), background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--c-blue-800), var(--c-blue-600));
    border-color: rgba(17, 85, 179, 0.65);
    box-shadow: 0 10px 20px rgba(30, 110, 230, 0.18);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 26px rgba(30, 110, 230, 0.24);
}

.btn-outline-primary {
    border-color: rgba(17, 85, 179, 0.35);
    color: var(--brand-strong);
}

.btn-outline-primary:hover {
    background: rgba(30, 110, 230, 0.10);
    border-color: rgba(17, 85, 179, 0.45);
    color: var(--brand-strong);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--c-green-700), var(--c-green-600));
    border-color: rgba(6, 118, 71, 0.55);
}

.btn-danger {
    background: linear-gradient(135deg, var(--c-red-700), var(--c-red-600));
    border-color: rgba(180, 35, 24, 0.55);
}

.form-control, .form-select {
    border-radius: 12px;
    border: 1px solid rgba(15, 23, 42, 0.14);
    background-color: rgba(255, 255, 255, 0.92);
    transition: box-shadow var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.form-control:focus, .form-select:focus {
    border-color: rgba(47, 134, 255, 0.60);
    box-shadow: 0 0 0 4px rgba(47, 134, 255, 0.16);
}

.form-label {
    font-weight: 650;
    color: rgba(15, 23, 42, 0.85);
}

.table {
    --bs-table-color: rgba(15, 23, 42, 0.86);
}

.table thead th {
    font-weight: 700;
    letter-spacing: 0.01em;
    color: rgba(15, 23, 42, 0.82);
}

.table tbody tr {
    transition: background-color var(--t-fast);
}

.table tbody tr:hover {
    background-color: rgba(30, 110, 230, 0.05);
}

.footer {
    background: transparent;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.25rem 1.25rem;
}

.auth-card {
    width: min(520px, 100%);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(15, 23, 42, 0.10);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3);
    padding: 2.25rem;
    transform: translate3d(0, 0, 0);
    animation: fadeUp 640ms var(--ease-out) both;
    position: relative;
}

.auth-card::before {
    content: "";
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 10px;
    border-top-left-radius: calc(var(--radius-lg) + 1px);
    border-top-right-radius: calc(var(--radius-lg) + 1px);
    background: linear-gradient(90deg, rgba(17, 85, 179, 0.95), rgba(7, 148, 85, 0.72), rgba(217, 45, 32, 0.72));
}

.auth-badges {
    display: inline-flex;
    gap: 10px;
    margin-bottom: 12px;
}

.auth-badge {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    box-shadow: 0 10px 18px rgba(15, 23, 42, 0.18);
}

.auth-badge--blue { background: rgba(30, 110, 230, 0.95); }
.auth-badge--green { background: rgba(7, 148, 85, 0.9); }
.auth-badge--red { background: rgba(217, 45, 32, 0.9); }

.auth-logo h1 {
    margin: 0;
    background: linear-gradient(135deg, var(--c-blue-900), var(--c-blue-600));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.03em;
}

.auth-logo p {
    animation: fadeUp 760ms var(--ease-out) both;
    animation-delay: 80ms;
}

.fade-in {
    animation: fadeUp 520ms var(--ease-out) both;
}

.spinner-border {
    width: 1.25rem;
    height: 1.25rem;
    border-width: 0.18em;
}

.text-danger {
    color: var(--danger) !important;
    font-size: 0.9rem;
}

.validation-summary-errors {
    color: var(--c-red-700);
    background: rgba(217, 45, 32, 0.06);
    border: 1px solid rgba(217, 45, 32, 0.25);
    border-radius: var(--radius-sm);
    padding: 1rem 1.1rem;
}

.validation-summary-errors ul {
    margin-bottom: 0;
    padding-left: 1.25rem;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translate3d(0, 12px, 0); }
    to { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes titleReveal {
    from { opacity: 0; transform: translate3d(0, 10px, 0); filter: blur(6px); }
    to { opacity: 1; transform: translate3d(0, 0, 0); filter: blur(0); }
}

@keyframes bgShift {
    from { transform: translate3d(0, 0, 0) scale(1); filter: saturate(1); }
    to { transform: translate3d(0, -10px, 0) scale(1.02); filter: saturate(1.04); }
}

@media (max-width: 576px) {
    .auth-card { padding: 1.6rem; }
    .navbar .container { padding-left: 0.75rem; padding-right: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    body::before, .fade-in, .auth-card, .auth-logo p, main h1, main h2, main h3 { animation: none !important; }
    .btn, .card, .nav-link, a, .form-control, .form-select { transition: none !important; }
}