/* FlexGram UI — reset, surfaces, typography, buttons, forms */

/* ── Reset ── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

::selection {
    background: rgba(0, 122, 255, 0.2);
    color: var(--text-primary);
}

/* ── Lucide Icons ── */
.lucide {
    width: 1em;
    height: 1em;
    stroke-width: 1.75;
    vertical-align: -0.125em;
    display: inline-block;
    flex-shrink: 0;
}

/* ── Body — Mesh gradient background ── */
html {
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background:
        radial-gradient(ellipse 80% 60% at 10% 20%, var(--mesh-1) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 90% 30%, var(--mesh-2) 0%, transparent 50%),
        radial-gradient(ellipse 70% 50% at 85% 80%, var(--mesh-3) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 20% 90%, var(--mesh-4) 0%, transparent 50%),
        var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

#page-logo-text {
    color: var(--color-primary);
}

body.tg-dark-theme #page-logo-text {
    color: var(--text-primary);
}

/* ── Liquid Glass Utility Classes ── */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-highlight), var(--glass-glow), var(--glass-shadow);
    transition: all var(--duration-normal) var(--ease-spring);
}

.glass-thick {
    background: var(--bg-glass-thick);
    backdrop-filter: blur(60px) saturate(200%);
    -webkit-backdrop-filter: blur(60px) saturate(200%);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-highlight), var(--glass-glow), var(--glass-shadow);
}

.glass-dark {
    background: var(--bg-glass-dark);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--border-color);
}

/* ── Shared glass card top-highlight ── */
.glass-card-highlight {
    position: relative;
    overflow: hidden;
}

.glass-card-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.45) 25%,
        rgba(255, 255, 255, 0.45) 75%,
        transparent
    );
    opacity: 0.5;
    pointer-events: none;
}

/* ── Container ── */
.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ── Typography ── */
.title {
    font-size: 34px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.subtitle {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

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

.text-small {
    font-size: 13px;
    color: var(--text-tertiary);
    letter-spacing: 0;
}

/* ── Cards — Liquid Glass ── */
.card {
    background: var(--bg-glass-thick);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--glass-highlight), var(--glass-glow), var(--shadow-light);
    border: 1px solid var(--glass-border);
    transition: transform var(--duration-normal) var(--ease-spring),
                box-shadow var(--duration-normal) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.4) 30%,
        rgba(255, 255, 255, 0.4) 70%,
        transparent
    );
    opacity: 0.6;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--glass-highlight), var(--glass-glow), var(--shadow-medium);
}

.card-glass {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
}

/* Карточка без hover-подъёма — для плотных списков и таблиц. */
.card-static:hover {
    transform: none;
    box-shadow: var(--glass-highlight), var(--glass-glow), var(--shadow-light);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.card-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.card-title .lucide,
.card-title i {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

/* ── Page Header ── */
.page-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.page-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.page-title .lucide {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
}

/* ── Buttons — Liquid feel ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: var(--border-radius);
    border: none;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-spring);
    gap: var(--spacing-sm);
    min-height: 48px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.btn .lucide {
    width: 18px;
    height: 18px;
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled,
.btn.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--text-white);
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.2), var(--glass-highlight);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 6px 24px rgba(0, 122, 255, 0.3);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-glass-thick);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    box-shadow: var(--glass-highlight), var(--glass-glow), var(--shadow-light);
}

.btn-secondary:hover {
    background: var(--bg-glass);
    box-shadow: var(--glass-highlight), var(--glass-glow), var(--shadow-medium);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    box-shadow: none;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-glass-dark);
}

.btn-success {
    background: var(--color-success);
    color: var(--text-white);
    box-shadow: 0 4px 16px rgba(48, 209, 88, 0.2);
}

.btn-warning {
    background: var(--color-warning);
    color: var(--text-white);
    box-shadow: 0 4px 16px rgba(255, 159, 10, 0.2);
}

.btn-error,
.btn-danger {
    background: var(--color-error);
    color: var(--text-white);
    box-shadow: 0 4px 16px rgba(255, 59, 48, 0.2);
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
    min-height: 36px;
    border-radius: var(--border-radius-small);
}

.btn-small .lucide {
    width: 15px;
    height: 15px;
}

.btn-large {
    padding: 16px 32px;
    font-size: 17px;
    border-radius: var(--border-radius-large);
}

.btn-block {
    width: 100%;
}

/* Круглая иконочная кнопка.
   flex-shrink обязателен: во flex-строке рядом с полем ввода кнопку сжимало
   по ширине, и вместо круга получался овал. */
.btn-icon {
    width: 40px;
    min-width: 40px;
    height: 40px;
    min-height: 40px;
    flex-shrink: 0;
    padding: 0;
    border-radius: 50%;
    background: var(--bg-glass-dark);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-small.btn-icon {
    width: 36px;
    min-width: 36px;
    height: 36px;
    min-height: 36px;
    border-radius: 50%;
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* ── Forms — Glass inputs ── */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
    letter-spacing: -0.01em;
}

.form-label .lucide {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

.form-input,
.form-select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
    background: var(--bg-glass-thick);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    transition: all var(--duration-normal) var(--ease-spring);
    min-height: 48px;
    touch-action: manipulation;
    color: var(--text-primary);
    box-shadow: var(--glass-highlight), var(--glass-glow);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--glass-highlight), 0 0 0 4px rgba(0, 122, 255, 0.1);
    background: var(--bg-glass);
}

.form-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-help {
    font-size: 12.5px;
    color: var(--text-tertiary);
    margin-top: 6px;
    line-height: 1.4;
}

.form-error {
    font-size: 12.5px;
    color: var(--color-error);
    margin-top: 6px;
}

/* Чекбокс/радио в строку с подписью */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 15px;
    color: var(--text-primary);
    cursor: pointer;
    min-height: 44px;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

/* ── Nav (hidden on mobile) ── */
.nav {
    display: none;
}

/* ── Utilities ── */
.d-flex { display: flex; }
.d-grid { display: grid; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.align-center { align-items: center; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error,
.text-danger { color: var(--color-error); }
.text-mono { font-family: 'SF Mono', Monaco, 'Cascadia Code', Consolas, monospace; }
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.hidden { display: none !important; }

/* ── Animations ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Вращение для любой иконки: у шрифтовых наборов такой класс был
   встроенным (bx-spin, fa-spin), в Lucide его нет. */
.fg-spin {
    animation: spin 1s linear infinite;
}