/**
 * Uni-App Custom Styles
 * Complements Tailwind CSS with custom utilities and components
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Accent Colors */
    --color-accent: #5091AF;
    --color-accent-dark: #3d7a94;
    --color-accent-light: #6ba8c4;
    --color-accent-bg: rgba(80, 145, 175, 0.1);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-hover: #f3f4f6;
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    --text-muted: #9ca3af;
    
    /* Border Colors */
    --border-primary: #e5e7eb;
    --border-secondary: #d1d5db;
    --border-light: #f3f4f6;
    
    /* Shadow */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Status Colors */
    --status-pending-bg: #f3f4f6;
    --status-pending-border: #d1d5db;
    --status-pending-text: #4b5563;
    
    --status-enrolled-bg: rgba(80, 145, 175, 0.1);
    --status-enrolled-border: var(--color-accent);
    --status-enrolled-text: var(--color-accent);
    
    --status-passed-bg: #f0fdf4;
    --status-passed-border: #4ade80;
    --status-passed-text: #15803d;
    
    --status-failed-bg: #fef2f2;
    --status-failed-border: #f87171;
    --status-failed-text: #b91c1c;
    
    --status-dropped-bg: #fefce8;
    --status-dropped-border: #facc15;
    --status-dropped-text: #a16207;
    
    /* Component Colors */
    --btn-secondary-bg: #f3f4f6;
    --btn-secondary-text: #374151;
    --btn-secondary-hover: #e5e7eb;
    
    --modal-bg: #ffffff;
    --tooltip-bg: #1f2937;
    --tooltip-text: #ffffff;
    
    --scrollbar-track: #f3f4f6;
    --scrollbar-thumb: #d1d5db;
    --scrollbar-thumb-hover: #9ca3af;
    
    /* Franja Colors */
    --franja-blocked: #fecaca;
    --franja-preferred: #bbf7d0;
    
    /* Badge Colors */
    --badge-success-bg: #dcfce7;
    --badge-success-text: #166534;
    --badge-warning-bg: #fef3c7;
    --badge-warning-text: #92400e;
    --badge-danger-bg: #fee2e2;
    --badge-danger-text: #991b1b;
}

/* Dark Theme */
[data-theme="dark"] {
    /* Accent Colors - slightly brighter for dark mode */
    --color-accent: #6ba8c4;
    --color-accent-dark: #5091AF;
    --color-accent-light: #8dc6db;
    --color-accent-bg: rgba(107, 168, 196, 0.15);
    
    /* Background Colors */
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --bg-tertiary: #374151;
    --bg-hover: #374151;
    
    /* Text Colors */
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-tertiary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Border Colors */
    --border-primary: #374151;
    --border-secondary: #4b5563;
    --border-light: #1f2937;
    
    /* Shadow - more subtle in dark mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    
    /* Status Colors - adjusted for dark mode */
    --status-pending-bg: #374151;
    --status-pending-border: #4b5563;
    --status-pending-text: #d1d5db;
    
    --status-enrolled-bg: rgba(107, 168, 196, 0.2);
    --status-enrolled-border: var(--color-accent);
    --status-enrolled-text: var(--color-accent);
    
    --status-passed-bg: rgba(34, 197, 94, 0.15);
    --status-passed-border: #4ade80;
    --status-passed-text: #86efac;
    
    --status-failed-bg: rgba(239, 68, 68, 0.15);
    --status-failed-border: #f87171;
    --status-failed-text: #fca5a5;
    
    --status-dropped-bg: rgba(234, 179, 8, 0.15);
    --status-dropped-border: #facc15;
    --status-dropped-text: #fde047;
    
    /* Component Colors */
    --btn-secondary-bg: #374151;
    --btn-secondary-text: #d1d5db;
    --btn-secondary-hover: #4b5563;
    
    --modal-bg: #1f2937;
    --tooltip-bg: #f9fafb;
    --tooltip-text: #1f2937;
    
    --scrollbar-track: #1f2937;
    --scrollbar-thumb: #4b5563;
    --scrollbar-thumb-hover: #6b7280;
    
    /* Franja Colors */
    --franja-blocked: rgba(239, 68, 68, 0.3);
    --franja-preferred: rgba(34, 197, 94, 0.3);
    
    /* Badge Colors - adjusted for dark mode */
    --badge-success-bg: rgba(34, 197, 94, 0.2);
    --badge-success-text: #86efac;
    --badge-warning-bg: rgba(234, 179, 8, 0.2);
    --badge-warning-text: #fde047;
    --badge-danger-bg: rgba(239, 68, 68, 0.2);
    --badge-danger-text: #fca5a5;
}

/* ==================== Base Styles ==================== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

* {
    min-width: 0;
}

img,
svg,
canvas,
video {
    max-width: 100%;
}

.mobile-scroll {
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-gutter: stable;
}

.mobile-scroll-hint {
    position: relative;
}

.mobile-scroll-hint::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 1.75rem;
    pointer-events: none;
    background: linear-gradient(to right, transparent, var(--bg-primary));
}

[data-theme="dark"] .mobile-scroll-hint::after {
    background: linear-gradient(to right, transparent, var(--bg-primary));
}

/* ==================== Accent Color Utilities ==================== */
.text-accent {
    color: var(--color-accent);
}

.bg-accent {
    background-color: var(--color-accent);
}

.border-accent {
    border-color: var(--color-accent);
}

.text-accent-dark {
    color: var(--color-accent-dark);
}

.bg-accent-dark {
    background-color: var(--color-accent-dark);
}

.hover\:bg-accent-dark:hover {
    background-color: var(--color-accent-dark);
}

.hover\:text-accent:hover {
    color: var(--color-accent);
}

.ring-accent {
    --tw-ring-color: var(--color-accent);
}

.focus\:ring-accent:focus {
    --tw-ring-color: var(--color-accent);
}

/* ==================== Form Elements ==================== */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="time"],
select,
textarea {
    border-radius: 0.5rem;
    border: 1px solid var(--border-secondary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    padding: 0.5rem 0.75rem;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="time"]:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-accent-bg);
    border-color: var(--color-accent);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

select {
    appearance: none;
    -webkit-appearance: none;
    border-radius: 0.5rem;
    min-height: 2.5rem;
    padding: 0.55rem 2.75rem 0.55rem 0.95rem !important;
    cursor: pointer;
    line-height: 1.25;
    font-weight: 500;
    border-color: var(--border-primary);
    background-color: var(--bg-primary);
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' stroke='%234B5563' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1rem;
    box-shadow:
        0 1px 2px rgba(17, 24, 39, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

select.rounded {
    border-radius: 0.5rem;
}

select:hover {
    border-color: var(--color-accent);
    box-shadow:
        0 2px 8px rgba(17, 24, 39, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

select:focus {
    box-shadow:
        0 0 0 3px var(--color-accent-bg),
        0 6px 18px rgba(80, 145, 175, 0.16);
}

select:disabled {
    cursor: not-allowed;
    opacity: 0.65;
}

[data-theme="dark"] select {
    border-color: rgba(107, 114, 128, 0.9);
    background-color: var(--bg-tertiary);
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' stroke='%23E5E7EB' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] select:hover {
    border-color: var(--color-accent);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.time-block select,
.edit-time-block select {
    min-width: 5.25rem;
    min-height: 2.5rem;
    padding: 0.5rem 2.25rem 0.5rem 0.95rem !important;
    font-size: 0.875rem;
}

.time-block input[type="time"],
.edit-time-block input[type="time"] {
    min-height: 2.5rem;
}

.form-label-padded {
    padding-left: 0.125rem;
    padding-right: 0.125rem;
}

.pensum-view-toggle,
.pensum-loss-control {
    min-height: 3.625rem;
}

.pensum-view-toggle {
    padding: 0.5rem;
    border: 1px solid var(--border-primary);
    background-color: var(--bg-primary);
}

.pensum-view-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    min-height: 2.5rem;
    padding-left: 0.875rem;
    padding-right: 0.875rem;
    border: 1px solid transparent;
    color: var(--text-tertiary);
    background: transparent;
    border-radius: 0.5rem;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.pensum-view-toggle-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.pensum-view-toggle-btn.is-active {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .pensum-view-toggle {
    background-color: #111827;
    border-color: #1f2937;
}

[data-theme="dark"] .pensum-view-toggle-btn {
    color: #9ca3af;
}

[data-theme="dark"] .pensum-view-toggle-btn:hover {
    color: #f9fafb;
    background-color: rgba(55, 65, 81, 0.55);
}

[data-theme="dark"] .pensum-view-toggle-btn.is-active {
    color: #ffffff;
    background-color: #374151;
    border-color: #4b5563;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.app-footer-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 1rem;
    row-gap: 0.5rem;
}

.app-footer-meta {
    justify-self: start;
}

.app-footer-version {
    justify-self: end;
}

/* ==================== Buttons ==================== */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
}

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

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
}

.btn-outline {
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: white;
}

.btn-danger {
    background-color: #ef4444;
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

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

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

/* ==================== Cards ==================== */
.card {
    background-color: var(--bg-primary);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.card-hover {
    transition: box-shadow 0.2s, background-color 0.3s ease;
}

.card-hover:hover {
    box-shadow: var(--shadow-md);
}

/* ==================== Course Status Colors ==================== */
.status-pending {
    background-color: var(--status-pending-bg);
    border-color: var(--status-pending-border);
    color: var(--status-pending-text);
}

.status-enrolled {
    background-color: var(--status-enrolled-bg);
    border-color: var(--status-enrolled-border);
    color: var(--status-enrolled-text);
}

.status-passed {
    background-color: var(--status-passed-bg);
    border-color: var(--status-passed-border);
    color: var(--status-passed-text);
}

.status-failed {
    background-color: var(--status-failed-bg);
    border-color: var(--status-failed-border);
    color: var(--status-failed-text);
}

.status-dropped {
    background-color: var(--status-dropped-bg);
    border-color: var(--status-dropped-border);
    color: var(--status-dropped-text);
}

/* ==================== Schedule Grid ==================== */
.schedule-grid {
    overflow-x: auto;
}

.schedule-grid .time-slot {
    min-height: 3rem;
}

.schedule-grid .class-block {
    position: absolute;
    border-radius: 0.25rem;
    padding: 0.25rem;
    font-size: 0.75rem;
    overflow: hidden;
    min-height: 100%;
}

/* ==================== Semester Columns ==================== */
.semester-column {
    width: 100%;
    min-width: 200px;
    max-width: none;
}

@media (max-width: 768px) {
    .semester-column {
        min-width: 100%;
        max-width: 100%;
    }
}

/* ==================== Course Cards ==================== */
.course-card {
    transition: all 0.2s;
}

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

/* ==================== Modal Styles ==================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.modal-content {
    background-color: var(--modal-bg);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    max-width: 28rem;
    width: 100%;
    margin: 1rem;
    max-height: 90vh;
    overflow-y: auto;
    transition: background-color 0.3s ease;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
}

.modal-body {
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ==================== Navbar ==================== */
.nav-link {
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    color: var(--text-secondary);
    transition: all 0.15s;
}

.nav-link:hover {
    color: var(--color-accent);
    background-color: var(--bg-hover);
}

.nav-link.active {
    color: var(--color-accent);
    background-color: var(--color-accent-bg);
}

/* ==================== Alerts ==================== */
.app-alert {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==================== Loading Spinner ==================== */
.spinner {
    animation: spin 1s linear infinite;
    border-radius: 50%;
    border: 2px solid var(--border-primary);
    border-top-color: var(--color-accent);
}

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

/* ==================== Franja Grid ==================== */
.franja-cell {
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.15s;
}

.franja-cell:hover {
    filter: brightness(0.95);
}

.franja-blocked {
    background-color: var(--franja-blocked);
}

.franja-preferred {
    background-color: var(--franja-preferred);
}

/* ==================== Scrollbar Styles ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--scrollbar-track);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb-hover);
}

/* ==================== Responsive Utilities ==================== */
@media (max-width: 1023px) {
    .pensum-actions {
        gap: 0.75rem !important;
    }

    .pensum-history-control {
        width: 100%;
    }

    .pensum-history-control > button {
        flex: 1 1 0;
        justify-content: center;
    }

    .pensum-history-control > div {
        flex: 0 0 1px;
    }

    .pensum-filters {
        gap: 0.75rem !important;
    }

    .pensum-filters > .relative,
    .pensum-filters > button {
        width: 100%;
    }

    .pensum-filters > .relative > button,
    .pensum-filters > button {
        justify-content: center;
    }

    .pensum-view-toggle-row {
        align-items: stretch !important;
    }

    .pensum-view-toggle-wrap {
        width: 100%;
        overflow-x: visible;
    }

    .pensum-view-toggle {
        display: grid !important;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 0.25rem;
        width: 100%;
        min-width: 0 !important;
    }

    .pensum-view-toggle > * + * {
        margin-left: 0 !important;
    }

    .pensum-view-toggle > button {
        display: flex;
        align-items: center;
        width: 100%;
        min-width: 0;
        justify-content: center;
        padding-left: 0.25rem;
        padding-right: 0.25rem;
        white-space: nowrap;
    }

    .pensum-view-toggle > button > span {
        justify-content: center;
    }

    .pensum-loss-control {
        width: 100%;
    }

    .pensum-loss-control select {
        width: 100%;
    }

    .app-footer-layout {
        grid-template-columns: 1fr;
        justify-items: center;
    }

    .app-footer-meta,
    .app-footer-version {
        justify-self: center;
    }
}

@media (max-width: 768px) {
    .tablet-stack-actions {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .tablet-stack-actions > * {
        width: 100%;
        margin-left: 0 !important;
    }

    .tablet-stack-actions > button,
    .tablet-stack-actions > a,
    .tablet-stack-actions > .relative > button,
    .tablet-stack-actions select {
        width: 100%;
        justify-content: center;
    }

    .tablet-stack-actions > .relative > div[id$="-dropdown"] {
        width: 100%;
    }

    .pensum-actions {
        gap: 0.75rem !important;
    }

    .pensum-history-control {
        width: 100%;
    }

    .pensum-history-control > button {
        flex: 1 1 0;
        justify-content: center;
    }

    .pensum-history-control > div {
        flex: 0 0 1px;
    }

    .pensum-filters {
        gap: 0.75rem !important;
    }

    .pensum-filters > .relative,
    .pensum-filters > button {
        width: 100%;
    }

    .pensum-filters > .relative > button,
    .pensum-filters > button {
        justify-content: center;
    }

    .pensum-view-toggle-row {
        align-items: stretch !important;
    }

    .pensum-view-toggle-wrap {
        width: 100%;
        overflow-x: visible;
    }

    .pensum-view-toggle {
        display: grid !important;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 0.25rem;
        width: 100%;
        min-width: 0 !important;
    }

    .pensum-view-toggle > * + * {
        margin-left: 0 !important;
    }

    .pensum-view-toggle > button {
        display: flex;
        align-items: center;
        width: 100%;
        min-width: 0;
        justify-content: center;
        padding-left: 0.25rem;
        padding-right: 0.25rem;
        white-space: nowrap;
    }

    .pensum-view-toggle > button > span {
        justify-content: center;
    }

    .pensum-loss-control {
        width: 100%;
    }

    .pensum-loss-control select {
        width: 100%;
    }

    .pensum-view-toggle,
    .pensum-loss-control {
        min-height: 0;
    }

    .mobile-actions {
        flex-direction: column-reverse !important;
        align-items: stretch !important;
        gap: 0.75rem !important;
    }

    .mobile-actions > * {
        width: 100%;
        justify-content: center;
        margin-left: 0 !important;
    }

    #optimization-presets {
        flex-direction: column;
    }

    #optimization-presets button {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .hide-mobile {
        display: none !important;
    }

    body {
        font-size: 15px;
    }

    .mobile-scroll {
        margin-left: -1rem;
        margin-right: -1rem;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .mobile-scroll-hint::after {
        right: -1rem;
    }

    #alerts-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }

    .app-alert {
        left: 1rem !important;
        right: 1rem !important;
        top: 1rem !important;
        max-width: none !important;
        width: auto !important;
    }

    #authModal > .flex,
    #course-modal > .flex,
    #simulation-modal > .flex,
    #materia-modal > .flex,
    #new-plan-modal > .flex,
    #manage-plans-modal > .flex,
    #edit-plan-modal > .flex,
    #base-plan-warning-modal > .flex,
    #import-modal > .flex,
    #franja-modal > .flex,
    #ics-modal > .flex,
    #schedule-import-modal > .flex,
    #edit-class-modal > .flex,
    #move-modal > .flex {
        min-height: 100dvh;
        align-items: flex-end;
        padding: 0.75rem;
    }

    #authModal > .flex {
        align-items: center;
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }

    #manage-plans-modal > .flex {
        align-items: center;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    #authModal > .flex > .relative,
    #course-modal > .flex > .relative,
    #simulation-modal > .flex > .relative,
    #materia-modal > .flex > .relative,
    #new-plan-modal > .flex > .relative,
    #manage-plans-modal > .flex > .relative,
    #edit-plan-modal > .flex > .relative,
    #base-plan-warning-modal > .flex > .relative,
    #import-modal > .flex > .relative,
    #franja-modal > .flex > .relative,
    #ics-modal > .flex > .relative,
    #schedule-import-modal > .flex > .relative,
    #edit-class-modal > .flex > .relative,
    #move-modal > .flex > .relative {
        width: 100%;
        max-width: 100%;
        max-height: calc(100dvh - 1.5rem);
        overflow-y: auto;
        border-radius: 1rem;
        padding: 1rem;
    }

    .modal-content,
    .modal-backdrop {
        max-width: 100%;
    }

    .mobile-stack {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .mobile-stack > * {
        width: 100%;
        margin-left: 0 !important;
    }

    .mobile-grid-1 {
        grid-template-columns: minmax(0, 1fr) !important;
    }

    .mobile-tight-card {
        padding: 1rem !important;
    }

    .time-block,
    .edit-time-block {
        display: grid !important;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
        gap: 0.5rem;
        align-items: end;
    }

    .time-block > *,
    .edit-time-block > * {
        margin-left: 0 !important;
    }

    .time-block > select,
    .edit-time-block > select {
        grid-column: 1 / -1;
        width: 100%;
    }

    .time-block > input,
    .edit-time-block > input {
        width: 100%;
    }

    .time-block > span,
    .edit-time-block > span {
        display: none;
    }

    #schedule-grid {
        min-width: 46rem;
    }

    #schedule-grid th,
    #schedule-grid td {
        min-width: 6rem;
    }

    #schedule-grid th:first-child,
    #schedule-grid td:first-child {
        min-width: 4rem;
    }

    #prerequisites-graph {
        min-width: 48rem;
    }

    #graph-container {
        min-width: 48rem;
    }

    table {
        font-size: 0.8125rem;
    }
}

@media (min-width: 641px) {
    .show-mobile-only {
        display: none !important;
    }
}

/* ==================== Print Styles ==================== */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        color: black;
        background-color: white;
    }
    
    .schedule-grid {
        box-shadow: none;
        border: 1px solid #d1d5db;
    }
}

/* ==================== Transitions ==================== */
.fade-enter {
    opacity: 0;
}

.fade-enter-active {
    opacity: 1;
    transition: opacity 200ms ease-in;
}

.fade-exit {
    opacity: 1;
}

.fade-exit-active {
    opacity: 0;
    transition: opacity 200ms ease-out;
}

/* ==================== Tooltip ==================== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    z-index: 50;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    color: var(--tooltip-text);
    background-color: var(--tooltip-bg);
    border-radius: 0.25rem;
    white-space: nowrap;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 4px;
}

/* ==================== Empty States ==================== */
.empty-state {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-tertiary);
}

.empty-state svg {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    color: var(--border-secondary);
}

/* ==================== Badge ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-accent {
    background-color: var(--color-accent-bg);
    color: var(--color-accent);
}

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

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

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

/* ==================== GPA Alert ==================== */
.gpa-warning {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ==================== Theme Toggle ==================== */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color 0.2s, color 0.2s;
}

.theme-toggle:hover {
    background-color: var(--bg-hover);
    color: var(--color-accent);
}

.theme-toggle svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Hide sun in light mode, hide moon in dark mode */
.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}