/* schedule-styles.css - UPGRADED VERSION with Google Calendar Integration */

:root {
    /* Design System Color Tokens */
    --color-background: #03001C;
    --color-surface: rgba(10, 5, 40, 0.8);
    --color-text: #E0E0E0;
    --color-text-white: #FFFFFF;
    --color-primary: #012169;
    --color-primary-glow: #3080ff;
    --color-secondary: #C8102E;
    --color-secondary-glow: #ff305a;
    --color-google-green: #367c3a;
    --color-border: rgba(255, 255, 255, 0.1);

    /* Spacing & Radius */
    --space-4: 4px; --space-8: 8px; --space-12: 12px; --space-16: 16px; --space-24: 24px; --space-32: 32px;
    --radius-base: 0.5rem; --radius-lg: 1rem; --radius-full: 9999px;

    /* Fonts */
    --font-family-base: 'Inter', sans-serif;
    --font-family-mono: 'Roboto Mono', monospace;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-text);
    background-image: radial-gradient(circle at 10% 20%, rgba(1, 33, 105, 0.3), transparent 30%), radial-gradient(circle at 80% 90%, rgba(200, 16, 46, 0.25), transparent 40%);
    background-attachment: fixed;
    margin: 0;
}

/* Glass & Header */
.header-glass {
    background: rgba(3, 0, 28, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(1, 33, 105, 0.5);
}

.card-glass {
    background: var(--color-surface);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

/* Buttons */
.btn-futuristic {
    position: relative; border: 2px solid transparent; background-clip: padding-box;
    transition: all 0.3s ease; overflow: hidden; z-index: 1; font-weight: bold;
    padding: var(--space-12) var(--space-24); border-radius: var(--radius-base); color: var(--color-text-white);
}
.btn-futuristic::before {
    content: ''; position: absolute; top: 0; right: 0; bottom: 0; left: 0;
    z-index: -1; margin: -2px; border-radius: inherit;
    background: linear-gradient(to right, var(--color-secondary-glow), var(--color-primary-glow));
}
.btn-futuristic:hover { transform: translateY(-3px); }
.btn-futuristic.btn-danger::before { background: linear-gradient(to right, #e53e3e, #c8102e); }

/* Forms */
.form-input, .form-select {
    font-family: var(--font-family-mono); background: rgba(0,0,0,0.3);
    border: 1px solid var(--color-primary); box-shadow: inset 0 0 10px rgba(1, 33, 105, 0.7);
    color: var(--color-text); caret-color: var(--color-secondary-glow);
    width: 100%; padding: var(--space-12); border-radius: var(--radius-base);
}
.form-input:focus, .form-select:focus { outline: none; border-color: var(--color-primary-glow); box-shadow: 0 0 15px var(--color-primary-glow); }
.form-label-glow { color: var(--color-text-white); text-shadow: 0 0 8px var(--color-primary-glow); }

/* Neon Glow Effects */
.neon-glow-blue { text-shadow: 0 0 8px var(--color-primary-glow); }
.neon-glow-red { text-shadow: 0 0 8px var(--color-secondary-glow); }

/* FullCalendar Base */
#calendar { padding: var(--space-24); }
.fc-toolbar-title { color: var(--color-text-white); }
.fc .fc-button-primary { background-color: var(--color-primary) !important; border-color: var(--color-primary-glow) !important; transition: all 0.3s ease; }
.fc .fc-button-primary:hover { background-color: var(--color-primary-glow) !important; box-shadow: 0 0 10px var(--color-primary-glow); }
.fc .fc-daygrid-day-number { color: var(--color-text); }
.fc .fc-daygrid-day.fc-day-today { background-color: rgba(255, 48, 90, 0.15) !important; }

/* Base Event Style */
.fc-event {
    cursor: pointer; font-weight: bold; border-width: 1px !important;
    font-size: 0.8rem;
    padding: var(--space-4);
}

/* HabitUp Lesson Event */
.habitup-lesson-color {
    background-color: var(--color-secondary) !important;
    border-color: var(--color-secondary-glow) !important;
}

/* --- CRITICAL FIX: Google Calendar Event Style --- */
.google-event-color {
    background-color: var(--color-google-green) !important;
    border-color: #5dc763 !important;
}

/* Cancelled Event Styles */
.cancelled-event {
    text-decoration: line-through;
    opacity: 0.6;
    background-color: #888 !important;
    border-color: #aaa !important;
}

/* Modal */
dialog.modal-backdrop { background-color: rgba(3, 0, 28, 0.6); backdrop-filter: blur(5px); }
.modal-content { width: 100%; max-width: 48rem; padding: 2rem; }
.close-btn { position: absolute; top: 1rem; right: 1.5rem; font-size: 2.5rem; color: #9ca3af; transition: color 0.2s; }
.close-btn:hover { color: var(--color-text-white); }
.modal-title { font-size: 2.25rem; font-weight: 700; color: var(--color-text-white); text-align: center; margin-bottom: 1.5rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: 1rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }

/* New UI Elements from Upgrade */
.sync-status { background: rgba(54, 124, 58, 0.2); border: 1px solid var(--color-google-green); border-radius: var(--radius-base); padding: var(--space-8) var(--space-16); display: flex; align-items: center; gap: var(--space-8); font-size: 0.9rem; color: var(--color-text); }
.sync-status i { color: var(--color-google-green); }

.loading-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(3, 0, 28, 0.9); backdrop-filter: blur(5px); display: flex; align-items: center; justify-content: center; z-index: 9999; }
.loading-spinner i { font-size: 3rem; color: var(--color-primary-glow); margin-bottom: 1rem; display: block; animation: spin 1s linear infinite; }
.loading-spinner p { font-size: 1.1rem; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.legend-item { display: flex; align-items: center; gap: var(--space-8); }
.legend-color { width: 20px; height: 20px; border-radius: var(--space-4); }
.cancelled-indicator { background: #888; position: relative; text-decoration: line-through; }

.google-event-info { background: rgba(54, 124, 58, 0.15); border-left: 4px solid var(--color-google-green); padding: var(--space-16); margin-top: var(--space-16); border-radius: var(--radius-base); }
.google-event-info strong { color: var(--color-text-white); }
.link-style { color: var(--color-primary-glow); text-decoration: none; font-weight: 600; }
.link-style:hover { text-decoration: underline; }

.detail-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; font-size: 1.1rem; }
.detail-grid strong { color: var(--color-text-white); }
.detail-list { list-style-type: none; padding-left: 0; }

.chip-input-container { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; padding: 0.5rem; background: rgba(0,0,0,0.3); border: 1px solid var(--color-primary); border-radius: 0.5rem; }
.chip { display: flex; align-items: center; background-color: var(--color-primary); padding: 0.25rem 0.75rem; border-radius: var(--radius-full); font-size: 0.875rem; }
.chip span { margin-left: 0.5rem; cursor: pointer; font-weight: bold; }
.participant-search-input { flex-grow: 1; background: transparent; border: none; outline: none; padding: 0.25rem; color: var(--color-text); min-width: 150px; }
.dropdown-menu { position: absolute; background: #03001C; border: 1px solid var(--color-primary); border-radius: 0.5rem; margin-top: 0.25rem; max-height: 150px; overflow-y: auto; z-index: 100; }
.dropdown-item { padding: 0.75rem; cursor: pointer; border-bottom: 1px solid var(--color-primary); }
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background-color: var(--color-primary); }

.recurrence-well { background-color: rgba(0,0,0,0.2); border-radius: 0.5rem; padding: 1rem; border: 1px solid rgba(1, 33, 105, 0.5); }
.weekday-selector { display: flex; gap: 0.25rem; }
.weekday-btn { flex: 1; padding: 0.5rem; background: rgba(0,0,0,0.4); border: 1px solid var(--color-primary); border-radius: 0.25rem; color: var(--color-text); }
.weekday-btn.active { background-color: var(--color-primary-glow); border-color: var(--color-primary-glow); color: var(--color-text-white); }
.hidden { display: none !important; }