/* ========================================
   MikroTon Tender Portal - Cosmic Theme
   ======================================== */

/* === 1. CSS CUSTOM PROPERTIES (Design Tokens) === */
:root {
    /* Cosmic background & surfaces */
    --mt-bg: #020617;
    --mt-bg-gradient: radial-gradient(circle at top left, #1d4ed8, #020617 60%);
    --mt-card-bg: rgba(15, 23, 42, 0.9);
    --mt-card-border: rgba(148, 163, 184, 0.35);
    --mt-card-blur: 20px;

    /* TEXT on dark backgrounds */
    --mt-text-main: #e5e7eb;
    --mt-text-muted: #9ca3af;
    --mt-heading: #f9fafb;

    /* TEXT on light backgrounds (auth cards, etc.) */
    --mt-text-on-light-main: #111827;
    --mt-text-on-light-muted: #4b5563;

    /* Accent colors */
    --mt-accent: #38bdf8;
    --mt-accent-strong: #0ea5e9;
    --mt-accent-soft: rgba(56, 189, 248, 0.18);

    /* Status colors */
    --mt-danger: #f97373;
    --mt-success: #10b981;
    --mt-warning: #f59e0b;
    --mt-info: #3b82f6;

    /* Radius & Shadows */
    --mt-radius-lg: 18px;
    --mt-radius-md: 12px;
    --mt-radius: var(--mt-radius-md);
    --mt-shadow-card: 0 18px 45px rgba(15, 23, 42, 0.8);
    --mt-shadow: var(--mt-shadow-card);
    --mt-shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);

    /* Text shadow for readability on cosmic bg */
    --mt-text-shadow-soft: 0 0 2px rgba(15, 23, 42, 0.95);

    /* Legacy/Compat Variables */
    --mt-primary: var(--mt-accent);
    --mt-primary-hover: var(--mt-accent-strong);
    --mt-primary-light: var(--mt-accent-soft);
    --mt-surface: var(--mt-card-bg);
    --mt-surface-alt: rgba(30, 41, 59, 0.6);
    --mt-border: var(--mt-card-border);
    --mt-text: var(--mt-text-main);
    --mt-text-secondary: var(--mt-text-muted);
    --mt-text-inverse: #0b1120;
    --mt-success-bg: rgba(16, 185, 129, 0.2);
    --mt-success-text: #34d399;
    --mt-warning-bg: rgba(245, 158, 11, 0.2);
    --mt-warning-text: #fbbf24;
    --mt-danger-bg: rgba(239, 68, 68, 0.2);
    --mt-danger-text: #fca5a5;
    --mt-info-bg: rgba(59, 130, 246, 0.2);
    --mt-info-text: #60a5fa;
}

/* === 2. GLOBAL LAYOUT & COSMIC BACKGROUND === */

/* Body with cosmic theme */
body,
body.mt-body {
    min-height: 100vh;
    margin: 0;
    background-color: var(--mt-bg);
    background-image: var(--mt-bg-gradient);
    background-attachment: fixed;
    color: var(--mt-text-main);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Fixed cosmic background layer with subtle animation */
.mt-cosmic-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        linear-gradient(180deg, rgba(3, 7, 18, 0.50), rgba(15, 23, 42, 0.82)),
        url("/static/img/cosmic-bg.jpg");
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    animation: mt-cosmic-drift 25s linear infinite alternate;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

/* Cosmic drift animation - subtle parallax effect */
@keyframes mt-cosmic-drift {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    100% {
        transform: translate3d(-12px, -18px, 0) scale(1.02);
    }
}

/* Main app content layer */
.app-root {
    position: relative;
    z-index: 1;
}

/* Page gutters for main content */
.mt-page {
    padding: 12px 14px 16px;
}

@media (min-width: 768px) {
    .mt-page {
        padding: 16px 20px 20px;
    }
}

@media (min-width: 1280px) {
    .mt-page {
        padding: 20px 24px 24px;
    }
}

/* === 3. TYPOGRAPHY === */

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--mt-heading);
    font-weight: 700;
    line-height: 1.3;
    text-shadow: none;
    margin-top: 0;
}

h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1.125rem;
    margin-bottom: 0.625rem;
}

h5,
h6 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

p,
li,
td,
dd,
dt {
    color: var(--mt-text-main);
}

a {
    color: var(--mt-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--mt-accent-strong);
    text-decoration: underline;
}

/* === 4. CARDS & PANELS === */

.mt-card,
.tender-card,
.panel,
.card {
    background-color: var(--mt-card-bg);
    border: 1px solid var(--mt-card-border);
    border-radius: var(--mt-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--mt-shadow-card);
    backdrop-filter: blur(var(--mt-card-blur));
    -webkit-backdrop-filter: blur(var(--mt-card-blur));
}

.mt-card-header {
    border-bottom: 1px solid var(--mt-card-border);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mt-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--mt-heading);
    margin: 0;
}

/* Light cards (login, registration, etc.) */
.auth-card,
.card--light,
.white-card {
    background-color: #ffffff;
    color: var(--mt-text-on-light-main);
    text-shadow: none;
}

.auth-card *,
.card--light *,
.white-card * {
    color: var(--mt-text-on-light-main);
    text-shadow: none;
}

.auth-card .text-muted,
.card--light .text-muted,
.white-card .text-muted {
    color: var(--mt-text-on-light-muted);
}

.auth-card h1,
.auth-card h2,
.login-title,
.register-title {
    color: var(--mt-text-on-light-main);
    text-shadow: none;
}

/* === 5. BUTTONS === */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--mt-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none !important;
    gap: 0.5rem;
    text-shadow: 0 0 1px rgba(0, 0, 0, 0.45);
}

.btn-primary,
.btn.btn-primary,
.button-primary {
    background: linear-gradient(135deg, var(--mt-accent), var(--mt-accent-strong));
    border: none;
    color: #f9fafb;
    font-weight: 600;
    border-radius: var(--mt-radius-md);
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.8), 0 12px 30px rgba(56, 189, 248, 0.35);
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, filter 0.12s ease-out;
}

.btn-primary:hover,
.btn.btn-primary:hover,
.button-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.9), 0 16px 40px rgba(56, 189, 248, 0.5);
    filter: brightness(1.05);
    color: #f9fafb;
    text-decoration: none;
}

.btn-primary svg {
    color: inherit;
    fill: currentColor;
}

.btn-secondary {
    background-color: rgba(30, 41, 59, 0.5);
    border-color: var(--mt-card-border);
    color: var(--mt-text-main);
}

.btn-secondary:hover {
    background-color: rgba(51, 65, 85, 0.8);
    border-color: var(--mt-text-muted);
    color: var(--mt-heading);
}

.btn-outline-primary {
    border-radius: var(--mt-radius-md);
    border: 1px solid var(--mt-accent);
    color: var(--mt-accent);
    background: transparent;
    font-weight: 500;
}

.btn-outline-primary:hover {
    background: var(--mt-accent-soft);
    color: var(--mt-accent);
}

.btn-danger {
    background-color: rgba(220, 38, 38, 0.2);
    border: 1px solid rgba(220, 38, 38, 0.5);
    color: #fca5a5;
}

.btn-danger:hover {
    background-color: rgba(220, 38, 38, 0.4);
    color: #fff;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* === 6. FORMS === */

.form-group {
    margin-bottom: 1.25rem;
}

.form-label,
label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--mt-text-main);
    margin-bottom: 0.5rem;
    text-shadow: none;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--mt-text-main);
    background-color: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--mt-card-border);
    border-radius: var(--mt-radius-md);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--mt-accent);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
    background-color: rgba(15, 23, 42, 0.8);
}

.form-control::placeholder {
    color: rgba(156, 163, 175, 0.6);
}

.form-text,
.help-text,
.small,
.small-text {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--mt-text-muted);
    text-shadow: none;
}

/* Date input calendar icon */
input[type="date"],
input[type="date"].form-control,
input[type="datetime-local"],
input[type="datetime-local"].form-control {
    color: var(--mt-text-main);
    background-color: rgba(15, 23, 42, 0.7);
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    filter: invert(1) brightness(1.4);
    opacity: 0.9;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* Select dropdowns */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* === 7. TABLES === */

.mt-table,
table {
    width: 100%;
    border-collapse: collapse;
    background-color: transparent;
    font-size: 0.95rem;
    color: var(--mt-text-main);
}

.mt-table th,
table thead th {
    background-color: rgba(15, 23, 42, 0.9);
    color: var(--mt-heading);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--mt-card-border);
    border-right: 1px solid var(--mt-card-border);
}

.mt-table th:last-child,
table thead th:last-child {
    border-right: none;
}

.mt-table td,
table tbody td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--mt-card-border);
    border-right: 1px solid var(--mt-card-border);
    color: var(--mt-text-main);
    vertical-align: middle;
}

.mt-table td:last-child,
table tbody td:last-child {
    border-right: none;
}

.mt-table tbody tr,
table tbody tr {
    transition: background-color 0.15s ease;
}

.mt-table tbody tr:nth-child(odd),
table tbody tr:nth-child(odd) {
    background: rgba(15, 23, 42, 0.4);
}

.mt-table tbody tr:nth-child(even),
table tbody tr:nth-child(even) {
    background: rgba(15, 23, 42, 0.2);
}

.mt-table tbody tr:hover,
table tbody tr:hover {
    background-color: rgba(56, 189, 248, 0.1);
}

/* Offer withdrawn rows */
.offer-withdrawn {
    opacity: 0.6;
    background-color: rgba(0, 0, 0, 0.2) !important;
}

.offer-withdrawn td {
    color: var(--mt-text-muted);
}

/* === 8. ALERTS & BADGES === */

.alert {
    padding: 1rem 1.25rem;
    border-left: 4px solid;
    border-radius: var(--mt-radius-md);
    margin-bottom: 1rem;
}

.alert-success {
    background-color: var(--mt-success-bg);
    color: var(--mt-success-text);
    border-left-color: var(--mt-success);
}

.alert-error,
.alert-danger {
    background-color: var(--mt-danger-bg);
    color: var(--mt-danger-text);
    border-left-color: var(--mt-danger);
}

.alert-warning {
    background-color: var(--mt-warning-bg);
    color: var(--mt-warning-text);
    border-left-color: var(--mt-warning);
}

.alert-info {
    background-color: var(--mt-info-bg);
    color: var(--mt-info-text);
    border-left-color: var(--mt-info);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

.badge-success {
    background-color: var(--mt-success-bg);
    color: var(--mt-success-text);
}

.badge-warning {
    background-color: var(--mt-warning-bg);
    color: var(--mt-warning-text);
}

.badge-danger {
    background-color: var(--mt-danger-bg);
    color: var(--mt-danger-text);
}

.badge-primary {
    background-color: var(--mt-info-bg);
    color: var(--mt-info-text);
}

.badge-gray {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--mt-text-muted);
}

/* === 9. TABS (Tender Detail, etc.) === */

.tender-tabs,
.nav-tabs {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: rgba(15, 23, 42, 0.95);
    border-radius: 999px;
    padding: 0.25rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--mt-card-border);
}

.tender-tabs a,
.nav-tabs a,
.tender-tab__link {
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
    font-size: 0.85rem;
    color: var(--mt-text-muted);
    border: 1px solid transparent;
    text-decoration: none;
    background: transparent;
    font-weight: 500;
    transition: all 0.2s;
}

.tender-tabs a:hover,
.nav-tabs a:hover,
.tender-tab__link:hover {
    color: var(--mt-accent);
    background: rgba(255, 255, 255, 0.05);
}

.tender-tabs a.active,
.tender-tabs a[aria-current="page"],
.nav-tabs a.active,
.tender-tab--active .tender-tab__link {
    background: linear-gradient(135deg, var(--mt-accent), var(--mt-accent-strong));
    color: #0b1120;
    box-shadow: 0 8px 25px rgba(56, 189, 248, 0.35);
    font-weight: 600;
    border-color: transparent;
}

.tender-tabs__nav {
    border-bottom: none !important;
}

/* === 10. NAVBAR & HEADER === */

.navbar,
.navbar-brand,
.nav-link,
.header-title {
    color: var(--mt-heading) !important;
    text-shadow: none;
}

.nav-link:hover,
.navbar-brand:hover,
.header-title:hover {
    color: var(--mt-accent) !important;
}

.main-header .text-gray-900,
.main-header .text-gray-700 {
    color: var(--mt-heading) !important;
    text-shadow: none;
}

.main-header .text-gray-700:hover {
    color: var(--mt-accent) !important;
}

/* === 11. TENDER-SPECIFIC COMPONENTS === */

.tender-header__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.tender-header__id {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--mt-text-muted);
}

.tender-header__meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem 2rem;
    margin: 0;
}

.tender-header__item {
    min-width: 0;
}

.tender-header__label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--mt-text-muted);
    margin-bottom: 0.25rem;
}

.tender-header__value {
    font-size: 0.95rem;
    color: var(--mt-text-main);
    word-break: break-word;
}

.tender-header__value--price {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--mt-heading);
}

/* === 12. UTILITY CLASSES === */

/* Tailwind-style overrides for cosmic theme */
.bg-white {
    background-color: var(--mt-card-bg) !important;
}

.bg-gray-50 {
    background-color: rgba(15, 23, 42, 0.6) !important;
}

.bg-gray-100 {
    background-color: rgba(30, 41, 59, 0.5) !important;
}

.text-gray-500,
.text-gray-600,
.help-text {
    color: var(--mt-text-muted) !important;
    text-shadow: none;
}

.text-gray-700 {
    color: var(--mt-text-main) !important;
}

.text-gray-900 {
    color: var(--mt-heading) !important;
}

.border-gray-200,
.divide-gray-200>* {
    border-color: var(--mt-card-border) !important;
}

.border-gray-300 {
    border-color: rgba(148, 163, 184, 0.5) !important;
}

.font-bold {
    font-weight: 700;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mt-4 {
    margin-top: 1rem;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

/* === 13. RESPONSIVE UTILITIES === */

@media (max-width: 767px) {
    h1 {
        font-size: 1.75rem;
    }

    .mt-card,
    .tender-card,
    .panel,
    .card {
        padding: 1rem;
    }

    .tender-header__meta {
        grid-template-columns: 1fr;
    }
}

/* === 14. MOSCOW TIME FOOTER CLOCK === */

.mt-footer-clock {
    position: fixed;
    bottom: 0.75rem;
    right: 1rem;
    font-size: 0.7rem;
    font-family: 'Inter', monospace;
    color: var(--mt-text-muted);
    opacity: 0.65;
    pointer-events: none;
    z-index: 50;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
    transition: opacity 0.2s ease;
}

.mt-footer-clock:hover {
    opacity: 0.9;
}

/* Hide clock on very small screens to avoid clutter */
@media (max-width: 480px) {
    .mt-footer-clock {
        display: none;
    }
}