:root {
    --sg-bg-0: #050505;
    --sg-bg-1: #0d0d0d;
    --sg-bg-2: #171717;
    --sg-bg-3: #1f1f1f;
    --sg-panel: #121212;
    --sg-panel-2: #1a1a1a;
    --sg-border: rgba(255, 255, 255, 0.08);
    --sg-border-strong: rgba(255, 255, 255, 0.14);
    --sg-text: #f5f5f5;
    --sg-text-muted: #a8a8a8;
    --sg-text-soft: #cfcfcf;
    --sg-accent: #ffd400;
    --sg-accent-hover: #e6c200;
    --sg-accent-soft: rgba(255, 212, 0, 0.10);
    --sg-success: #198754;
    --sg-danger: #dc3545;
    --sg-radius-sm: 12px;
    --sg-radius-md: 16px;
    --sg-radius-lg: 20px;
    --sg-shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.22);
    --sg-shadow-md: 0 12px 34px rgba(0, 0, 0, 0.30);
    --sg-content-max: 1200px;
}

/* BASE */
html {
    font-size: 15px;
}

body {
    margin: 0;
    background: radial-gradient(circle at top, rgba(255, 212, 0, 0.04), transparent 22%), linear-gradient(180deg, var(--sg-bg-0) 0%, var(--sg-bg-1) 100%);
    color: var(--sg-text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.45;
    overflow-x: hidden;
}

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

a {
    color: #9dc1ff;
    text-decoration: none;
}

    a:hover {
        color: #bfd6ff;
    }

h1, h2, h3, h4, h5, h6 {
    color: var(--sg-text);
    margin-top: 0;
    line-height: 1.18;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
}

h2 {
    font-size: clamp(1.45rem, 3vw, 2rem);
}

h3 {
    font-size: clamp(1.2rem, 2vw, 1.55rem);
}

p {
    color: var(--sg-text-soft);
}

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

/* LAYOUT LEGACY SAFE */
.page {
    min-height: 100vh;
}

main {
    min-width: 0;
}

.content {
    min-width: 0;
}

/* CONTENT WRAPPER */
.sg-page-content {
    width: 100%;
    max-width: var(--sg-content-max);
    margin: 0 auto;
}

/* CARD */
.card {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
    border: 1px solid var(--sg-border);
    border-radius: var(--sg-radius-md);
    color: var(--sg-text);
    box-shadow: var(--sg-shadow-sm);
    overflow: hidden;
}

.card-header {
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--sg-border);
    color: var(--sg-text);
    font-weight: 700;
}

.card-body {
    padding: 1rem;
}

/* BUTTONS */
.btn {
    border-radius: 12px;
    font-weight: 700;
    min-height: 42px;
    padding: .62rem .95rem;
    transition: transform .16s ease, opacity .16s ease, background-color .16s ease, border-color .16s ease, color .16s ease;
    box-shadow: none !important;
}

    .btn:hover {
        transform: translateY(-1px);
    }

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

.btn-primary {
    background-color: var(--sg-accent);
    border-color: var(--sg-accent);
    color: #000;
}

    .btn-primary:hover,
    .btn-primary:focus {
        background-color: var(--sg-accent-hover);
        border-color: var(--sg-accent-hover);
        color: #000;
    }

.btn-secondary {
    background-color: #2b2b2b;
    border-color: #2b2b2b;
    color: #fff;
}

.btn-outline-light {
    border-color: rgba(255,255,255,.18);
}

.btn-info,
.btn-warning,
.btn-success,
.btn-danger {
    font-weight: 700;
}

/* FORMS */
.form-label {
    color: var(--sg-text-soft);
    font-size: .93rem;
    margin-bottom: .45rem;
}

.form-control,
.form-select,
.form-check-input,
textarea {
    background-color: #101010 !important;
    border: 1px solid #2a2a2a !important;
    color: var(--sg-text) !important;
    border-radius: 12px !important;
}

.form-control,
.form-select {
    min-height: 44px;
    padding: .72rem .9rem;
}

textarea.form-control {
    min-height: 110px;
}

.form-control::placeholder,
textarea::placeholder {
    color: #7f7f7f !important;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: rgba(255, 212, 0, .7) !important;
    box-shadow: 0 0 0 .18rem rgba(255, 212, 0, .12) !important;
    background-color: #101010 !important;
    color: var(--sg-text) !important;
}

.form-floating > .form-control,
.form-floating > .form-select {
    min-height: 56px;
    padding-top: 1.35rem;
    padding-bottom: .55rem;
}

.form-floating > label {
    color: #9a9a9a;
}

.form-check-input:checked {
    background-color: var(--sg-accent);
    border-color: var(--sg-accent);
}

.validation-message,
.text-danger,
.validation-errors {
    font-size: .88rem;
}

/* BADGES */
.badge {
    border-radius: 999px;
    padding: .48rem .7rem;
    font-weight: 700;
    letter-spacing: .01em;
}

/* TABLES */
.table {
    color: var(--sg-text);
    margin-bottom: 0;
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(255,255,255,0.03);
    --bs-table-striped-color: var(--sg-text);
    --bs-table-hover-bg: rgba(255,255,255,0.04);
    --bs-table-hover-color: var(--sg-text);
    --bs-table-border-color: rgba(255,255,255,0.08);
}

    .table > :not(caption) > * > * {
        padding: .8rem .75rem;
        vertical-align: middle;
    }

    .table thead th {
        color: #d8d8d8;
        font-size: .88rem;
        font-weight: 700;
        border-bottom-width: 1px;
        white-space: nowrap;
    }

/* ALERT */
.alert {
    border: 1px solid var(--sg-border);
    border-radius: 14px;
    box-shadow: var(--sg-shadow-sm);
}

.alert-danger {
    background: rgba(220, 53, 69, .12);
    color: #ffd6db;
    border-color: rgba(220, 53, 69, .28);
}

.alert-success {
    background: rgba(25, 135, 84, .12);
    color: #d8ffec;
    border-color: rgba(25, 135, 84, .28);
}

/* UTILITIES */
.border,
.border-top,
.border-bottom,
.border-start,
.border-end {
    border-color: var(--sg-border) !important;
}

.shadow-sm,
.shadow {
    box-shadow: var(--sg-shadow-sm) !important;
}

.rounded {
    border-radius: var(--sg-radius-sm) !important;
}

.rounded-3 {
    border-radius: var(--sg-radius-md) !important;
}

.rounded-4 {
    border-radius: var(--sg-radius-lg) !important;
}

/* NAV LEGACY GUARD */
.sidebar {
    background: linear-gradient(180deg, #050505 0%, #101010 100%);
}

.nav-scrollable {
    background: transparent !important;
    scrollbar-width: thin;
    scrollbar-color: #2a2a2a transparent;
}

    .nav-scrollable::-webkit-scrollbar {
        width: 8px;
    }

    .nav-scrollable::-webkit-scrollbar-thumb {
        background: #2a2a2a;
        border-radius: 999px;
    }

.top-row {
    background-color: transparent !important;
}

.navbar-brand {
    color: var(--sg-accent) !important;
    font-weight: 700;
}

/* PAGE SECTIONS */
.sg-section-title {
    margin-bottom: .35rem;
}

.sg-section-subtitle {
    color: var(--sg-text-muted);
    margin-bottom: 1rem;
}

.sg-panel {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
    border: 1px solid var(--sg-border);
    border-radius: var(--sg-radius-md);
    box-shadow: var(--sg-shadow-sm);
}

/* ERROR UI */
#blazor-error-ui {
    background: #fff3cd;
    bottom: 0;
    box-shadow: 0 -1px 8px rgba(0, 0, 0, 0.2);
    color: #000;
    display: none;
    left: 0;
    padding: .75rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 2000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: .75rem;
        top: .5rem;
    }

/* MOBILE FIRST */
@media (max-width: 991.98px) {
    html {
        font-size: 14px;
    }

    body {
        -webkit-text-size-adjust: 100%;
    }

    .sg-page-content {
        max-width: 100%;
    }

    .card-body {
        padding: .9rem;
    }

    .table-responsive {
        border-radius: 14px;
    }

    .btn {
        min-height: 44px;
    }

    .form-control,
    .form-select {
        min-height: 46px;
    }
}

@media (max-width: 767.98px) {
    h1 {
        font-size: 1.65rem;
    }

    h2 {
        font-size: 1.35rem;
    }

    h3 {
        font-size: 1.15rem;
    }

    .card {
        border-radius: 14px;
    }

    .card-body {
        padding: .85rem;
    }

    .table > :not(caption) > * > * {
        padding: .7rem .6rem;
    }

    .btn {
        width: auto;
    }
}

@media (max-width: 575.98px) {
    html {
        font-size: 13.5px;
    }

    body {
        overflow-x: hidden;
    }

    .card-body {
        padding: .8rem;
    }

    .form-control,
    .form-select {
        font-size: 16px !important;
    }

    .btn {
        min-height: 46px;
        padding: .7rem .9rem;
    }

    .table thead th {
        font-size: .82rem;
    }
}