/* =========================
   THEME (LIGHT / DARK)
   ========================= */
.app {
    display: flex;
    flex-direction: column;
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
}

:root {
    /* LIGHT MODE */
    --bg: #ffffff;
    --text: #1f2937;
    --primary: #1b6ec2;
    --border: #d1d5db;
    --error: red;
    --modal-bg: #ffffff;
    --dropdown-bg: #ffffff;
    --dropdown-border: rgba(0,0,0,0.06);
    --dropdown-shadow: 0 20px 40px rgba(0,0,0,0.15), 0 5px 15px rgba(0,0,0,0.08);
    --card-bg: #ffffff;

    /* TIMETABLE LIGHT */
    --tt-bg: #ffffff;
    --tt-header-from: #f9fafb;
    --tt-header-to: #ffffff;
    --tt-border: #d1d5db;
    --tt-time-text: #374151;
    --tt-day-bg: #f9fafb;
    --tt-day-text: #1f2937;
    --tt-day-sub: #6b7280;
    --tt-row-hover: rgba(0, 0, 0, 0.04);
    --tt-cell-hover: rgba(0, 0, 0, 0.06);
    --switch-bg: #cbd5e1;
}

.dark {
    /* DARK MODE */
    --bg: #0f172a;
    --text: #f1f5f9;
    --primary: #60a5fa;
    --border: #1f2937;
    --error: #f87171;
    --modal-bg: #0f172a;
    --dropdown-bg: #1e293b;
    --dropdown-border: rgba(255,255,255,0.08);
    --dropdown-shadow: 0 20px 40px rgba(0,0,0,0.6), 0 5px 15px rgba(0,0,0,0.4);
    --card-bg: #0f172a;

    /* TIMETABLE DARK */
    --tt-bg: #1f2937;
    --tt-header-from: #1f2937;
    --tt-header-to: #111827;
    --tt-border: #374151;
    --tt-time-text: #d1d5db;
    --tt-day-bg: #1f2937;
    --tt-day-text: #ffffff;
    --tt-day-sub: #9ca3af;
    --tt-row-hover: rgba(55, 65, 81, 0.3);
    --tt-cell-hover: rgba(75, 85, 99, 0.2);
    --switch-bg: #4b5563;
}

/* =========================
   BASE
   ========================= */

html, body {
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#app {
    height: 100%;
    min-height: 0;
}

html,
body,
.app,
.modal,
.sidebar,
.modal-container,
.dropdown-layout,
.sidebar-layout {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
    html,
    body,
    .app,
    .modal,
    .sidebar,
    .modal-container,
    .dropdown-layout,
    .sidebar-layout {
        transition: none;
    }
}

/* =========================
   VALIDATION
   ========================= */

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid var(--error);
}

.validation-message {
    color: var(--error);
}

/* =========================
   BLAZOR ERROR UI
   ========================= */

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred.";
    }

.swapify-loader {
    height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: white;
    font-family: system-ui, sans-serif;
}

    /* Logo */
    .swapify-loader .logo {
        font-size: 2.5rem;
        font-weight: 700;
        letter-spacing: 1px;
        margin-bottom: 20px;
        background: linear-gradient(to right, #06b6d4, #3b82f6);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: fadeIn 1s ease forwards;
    }

    /* Spinner */
    .swapify-loader .spinner {
        width: 40px;
        height: 40px;
        border: 3px solid rgba(255,255,255,0.15);
        border-top: 3px solid #06b6d4;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin-bottom: 20px;
    }

    /* Subtitle */
    .swapify-loader .subtitle {
        font-size: 0.9rem;
        opacity: 0.7;
        animation: pulse 1.5s infinite;
    }

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

@keyframes pulse {
    0%, 100% {
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================
   MISC
   ========================= */

code {
    color: #c02d76;
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--text);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}