:root {
    --portal-bg-dark: #02040a;
    --portal-bg-card: rgba(8, 10, 20, 0.9);
    --portal-border: rgba(255, 215, 0, 0.25);
    --portal-gold: #ffd700;
    --portal-gold-soft: #f0c96a;
    --portal-gold-weak: rgba(255, 215, 0, 0.7);
    --portal-text-main: #f8f9fa;
    --portal-text-muted: #9ca3af;
    --portal-danger: #ff4f6a;
}

body {
    min-height: 100vh;
    color: var(--portal-text-main);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    position: relative;
    overflow-x: hidden;
}

.circuit-overlay {
    pointer-events: none;
    position: fixed;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            120deg,
            rgba(255, 215, 0, 0.09) 0,
            rgba(255, 215, 0, 0.09) 1px,
            transparent 1px,
            transparent 10px
        ),
        radial-gradient(circle at 10% 20%, rgba(255, 215, 0, 0.15) 0, transparent 60%),
        radial-gradient(circle at 80% 0%, rgba(255, 215, 0, 0.12) 0, transparent 55%);
    mix-blend-mode: soft-light;
    opacity: 0.45;
    z-index: 0;
}

.portal-navbar {
    background: radial-gradient(circle at top left, #111827 0, #020617 60%) !important;
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
    backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.portal-logo-glow {
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: radial-gradient(circle, var(--portal-gold) 0, #f97316 40%, transparent 70%);
    box-shadow: 0 0 18px rgba(255, 215, 0, 0.9);
}

.portal-main {
    position: relative;
    z-index: 1;
}

.portal-card {
    border-radius: 1.4rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
    padding: 1.75rem 1.75rem 1.5rem;
    color: var(--portal-text-main);
}

.portal-card.glassy {
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(2, 6, 23, 0.98)),
        radial-gradient(circle at top left, rgba(255, 215, 0, 0.08), transparent 60%);
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(15, 23, 42, 0.8);
}

.portal-card-header .portal-title {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 1.4rem;
}

.portal-subtitle {
    font-size: 0.85rem;
    color: var(--portal-text-muted);
}

/* Подписи и текст в форме входа — светлее, чтобы читались на тёмном фоне */
.portal-form-label,
.portal-card .form-label.portal-form-label,
.portal-card .form-check-label.portal-form-label {
    color: #e5e7eb !important;
}

.portal-card .form-control::placeholder {
    color: rgba(229, 231, 235, 0.85);
}

.portal-orb {
    width: 72px;
    height: 72px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 30% 0%, rgba(255, 215, 0, 0.35), transparent 70%),
        radial-gradient(circle at 70% 100%, rgba(59, 130, 246, 0.4), transparent 65%);
    box-shadow:
        0 0 25px rgba(255, 215, 0, 0.65),
        0 0 80px rgba(59, 130, 246, 0.4);
}

.portal-orb-core {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background:
        conic-gradient(from 210deg, #fbbf24, #f97316, #facc15, #22c55e, #0ea5e9, #f97316, #fbbf24);
    box-shadow:
        0 0 18px rgba(251, 191, 36, 0.75),
        0 0 30px rgba(56, 189, 248, 0.7);
}

.portal-input-group .input-group-text {
    border-radius: 0.75rem 0 0 0.75rem;
    border: 1px solid rgba(148, 163, 184, 0.5);
    background:
        radial-gradient(circle at 0 0, rgba(251, 191, 36, 0.24), transparent 65%),
        #020617;
    color: var(--portal-gold-soft);
}

.portal-input-group .form-control {
    border-radius: 0 0.75rem 0.75rem 0;
    border: 1px solid rgba(148, 163, 184, 0.5);
    background-color: rgba(15, 23, 42, 0.95);
    color: var(--portal-text-main);
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.8);
}

.portal-input-group .form-control:focus {
    border-color: rgba(251, 191, 36, 0.9);
    box-shadow:
        0 0 0 1px rgba(251, 191, 36, 0.6),
        0 0 0 4px rgba(251, 191, 36, 0.15);
    background-color: rgba(15, 23, 42, 0.98);
}

.btn-gold {
    border-radius: 999px;
    border: none;
    padding: 0.6rem 1.4rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.82rem;
    background-image: linear-gradient(120deg, #facc15, #f97316);
    color: #020617;
    box-shadow:
        0 10px 30px rgba(248, 250, 252, 0.05),
        0 0 25px rgba(251, 191, 36, 0.5);
}

.btn-gold:hover {
    filter: brightness(1.05);
    box-shadow:
        0 16px 40px rgba(0, 0, 0, 0.9),
        0 0 30px rgba(251, 191, 36, 0.8);
}

.btn-gold:active {
    transform: translateY(1px);
    box-shadow:
        0 10px 24px rgba(0, 0, 0, 0.8),
        0 0 18px rgba(251, 191, 36, 0.6);
}

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

.text-gold-weak {
    color: var(--portal-gold-weak) !important;
}

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

.form-check-input {
    background-color: rgba(15, 23, 42, 0.9);
    border-color: rgba(148, 163, 184, 0.7);
}

.bg-preview-wrapper {
    width: 100%;
}

.bg-preview-frame {
    border-radius: 1rem;
    padding: 0.75rem;
    background:
        radial-gradient(circle at top left, rgba(251, 191, 36, 0.25), transparent 60%),
        rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(148, 163, 184, 0.45);
}

.bg-preview-screen {
    border-radius: 0.8rem;
    overflow: hidden;
    background: radial-gradient(circle at top, #020617 0, #000 55%);
    position: relative;
    padding-top: 56%;
}

.bg-preview-image {
    position: absolute;
    inset: 0;
}

.bg-mode-cover {
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}

.bg-mode-stretch {
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 100% 100%;
}

.bg-mode-center {
    background-repeat: no-repeat;
    background-position: center center;
    background-size: auto;
}

.bg-mode-tile {
    background-repeat: repeat;
    background-position: 0 0;
    background-size: auto;
}

.bg-preview-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--portal-text-muted);
    font-size: 0.8rem;
    text-align: center;
}

.bg-preview-placeholder i {
    font-size: 1.4rem;
    color: var(--portal-gold-soft);
}

.bg-preview-login-card {
    position: absolute;
    inset: 18% 16%;
    max-width: 280px;
    margin: auto;
    padding: 0.6rem 0.75rem;
    border-radius: 0.7rem;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(8, 47, 73, 0.96));
    border: 1px solid rgba(148, 163, 184, 0.7);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.85);
    font-size: 0.75rem;
}

.bg-preview-footer {
    color: var(--portal-text-muted);
}

.portal-alert {
    background: rgba(255, 79, 106, 0.2);
    border: 1px solid rgba(255, 79, 106, 0.5);
    color: #fecdd3;
    border-radius: 0.75rem;
}

.portal-project-card {
    display: block;
    padding: 1.25rem;
    border-radius: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(2, 6, 23, 0.95));
    color: var(--portal-text-main);
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.portal-project-card:hover {
    border-color: rgba(255, 215, 0, 0.5);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
    color: var(--portal-text-main);
}

.portal-project-icon {
    font-size: 1.5rem;
    color: var(--portal-gold);
    margin-bottom: 0.5rem;
}

.portal-project-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.portal-project-key {
    font-size: 0.8rem;
    opacity: 0.85;
}

.portal-card .form-control,
.portal-card .form-select {
    background-color: rgba(15, 23, 42, 0.95);
    border-color: rgba(148, 163, 184, 0.5);
    color: var(--portal-text-main);
}

.portal-card .form-control:focus,
.portal-card .form-select:focus {
    border-color: rgba(251, 191, 36, 0.9);
    box-shadow: 0 0 0 1px rgba(251, 191, 36, 0.6);
    background-color: rgba(15, 23, 42, 0.98);
}

.portal-card .table-dark {
    --bs-table-bg: rgba(15, 23, 42, 0.6);
    --bs-table-border-color: rgba(148, 163, 184, 0.3);
    --bs-table-hover-bg: rgba(251, 191, 36, 0.1);
}

@media (max-width: 768px) {
    .portal-card {
        padding: 1.3rem 1.1rem;
        border-radius: 1.1rem;
    }

    .portal-orb {
        width: 60px;
        height: 60px;
    }

    .portal-card-header .portal-title {
        font-size: 1.2rem;
    }

    .bg-preview-screen {
        padding-top: 70%;
    }
}