/* site/public/style.css */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Elegant Modern HSL Palettes */
    --bg-base: #0f172a;        /* Deep Slate Dark */
    --bg-surface: #1e293b;     /* Slate Card Surface */
    --bg-surface-hover: #334155;
    
    --primary: #8b5cf6;        /* Royal Violet */
    --primary-hover: #7c3aed;
    --primary-glow: rgba(139, 92, 246, 0.35);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #64748b;
    
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --border-focus: rgba(139, 92, 246, 0.5);
    
    /* Category Accent Colors */
    --cat-work-hsl: 263, 90%, 75%;      /* Lavender */
    --cat-personal-hsl: 142, 70%, 70%;  /* Sage Green */
    --cat-social-hsl: 340, 80%, 70%;    /* Rose Pink */
    --cat-other-hsl: 200, 80%, 70%;     /* Sky Blue */

    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    --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 -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    padding-bottom: 40px;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-surface-hover);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Beautiful Container & Page Layout */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 24px;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

h1 {
    font-size: 2.25rem;
    background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 1.75rem;
    color: #fff;
    border-bottom: 2px solid var(--border);
    padding-bottom: 8px;
    margin-top: 24px;
}

/* Navigation Links - Sleek Header Navbar */
.nav-links {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.nav-links a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border);
}

.nav-links a.active {
    color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.2);
}

/* Form Styles */
form {
    background: var(--bg-surface);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
    margin: 40px auto;
    animation: fadeIn 0.4s ease-out;
}

.form-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

input, select, textarea {
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    color: #fff;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

input:hover, select:hover, textarea:hover {
    border-color: var(--border-hover);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

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

/* Buttons */
button,
input[type="submit"] {
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.25);
}

button:hover,
input[type="submit"]:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.35);
}

button:disabled,
input[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Danger / Delete buttons */
.delete-button,
.delete-event {
    background-color: rgba(239, 68, 68, 0.1) !important;
    color: var(--danger) !important;
    border: 1px solid rgba(239, 68, 68, 0.2) !important;
    box-shadow: none !important;
}

.delete-button:hover,
.delete-event:hover {
    background-color: var(--danger) !important;
    color: #fff !important;
    border-color: transparent !important;
}

/* Info / Edit buttons */
.edit-event {
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: #fff !important;
    border: 1px solid var(--border) !important;
    box-shadow: none !important;
}

.edit-event:hover {
    background-color: var(--bg-surface-hover) !important;
    border-color: var(--border-hover) !important;
}

/* Home / Auth page styling overrides */
body > p {
    text-align: center;
    margin-top: 24px;
}

body > h1 {
    text-align: center;
    margin-top: 40px;
}

.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    max-width: 480px;
    margin: 16px auto;
    font-size: 0.95rem;
    text-align: center;
}

p.error + form {
    margin-top: 16px;
}

form + p {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

form + p a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

form + p a:hover {
    text-decoration: underline;
}

/* Calendar Card / Board styling */
.calendar {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 24px;
    box-shadow: var(--shadow-xl);
    margin: 24px auto;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 12px 0 20px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.calendar-header:nth-of-type(2) {
    border-bottom: none;
    padding-top: 0;
    margin-top: -8px;
    flex-wrap: wrap;
}

.calendar-header h2 {
    border-bottom: none;
    padding: 0;
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

/* Category Filter Bar */
#categoryFilter {
    display: flex;
    gap: 16px;
    align-items: center;
    background: rgba(15, 23, 42, 0.4);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

#categoryFilter h3 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: none;
    padding: 0;
}

#categoryFilter label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-main);
    cursor: pointer;
    user-select: none;
}

#categoryFilter input[type="checkbox"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

/* Year & Month select picker */
.picker-container {
    display: flex;
    gap: 8px;
}

#monthPicker, #yearPicker {
    padding: 8px 12px;
    font-size: 0.9rem;
    height: 38px;
}

#yearPicker {
    width: 100px;
}

/* Calendar Grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-top: 12px;
}

.weekday-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    padding: 8px 0;
}

.calendar-day {
    background: rgba(15, 23, 42, 0.35);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-height: 110px;
    padding: 8px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calendar-day:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(15, 23, 42, 0.5);
}

.day-number {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    align-self: flex-end;
    margin-bottom: 4px;
}

/* Highlight Current Day */
.calendar-day.current-day {
    border: 2px solid var(--primary);
    background: rgba(139, 92, 246, 0.08);
}

.calendar-day.current-day .day-number {
    color: #fff;
    text-shadow: 0 0 10px rgba(139, 92, 246, 0.6);
}

/* Interactive Add Event Button on Cells */
.add-event-button {
    opacity: 0;
    position: absolute;
    bottom: 6px;
    right: 6px;
    width: 26px;
    height: 26px;
    padding: 0;
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.calendar-day:hover .add-event-button {
    opacity: 1;
}

.add-event-button:hover {
    transform: scale(1.1);
}

/* Elegant Event Badges */
.event {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: var(--transition);
    border-left: 3.5px solid transparent;
}

.event:hover {
    transform: translateX(2px);
    filter: brightness(1.1);
}

/* Dynamic CSS HSL Badging */
.event.work {
    background-color: hsla(var(--cat-work-hsl), 0.12);
    color: hsl(var(--cat-work-hsl));
    border-left-color: hsl(var(--cat-work-hsl));
}
.event.personal {
    background-color: hsla(var(--cat-personal-hsl), 0.12);
    color: hsl(var(--cat-personal-hsl));
    border-left-color: hsl(var(--cat-personal-hsl));
}
.event.social {
    background-color: hsla(var(--cat-social-hsl), 0.12);
    color: hsl(var(--cat-social-hsl));
    border-left-color: hsl(var(--cat-social-hsl));
}
.event.other {
    background-color: hsla(var(--cat-other-hsl), 0.12);
    color: hsl(var(--cat-other-hsl));
    border-left-color: hsl(var(--cat-other-hsl));
}

/* Modals & Glassmorphic Sheets */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.modal-content {
    background-color: var(--bg-surface);
    margin: 12% auto;
    padding: 32px;
    border: 1px solid var(--border);
    width: 90%;
    max-width: 480px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: modalSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-content form {
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
    max-width: none;
    animation: none;
}

@keyframes modalSlide {
    from { transform: translateY(-24px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-button {
    color: var(--text-muted);
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.close-button:hover {
    color: #fff;
}

/* Profile and Past Events Cards */
.event-details,
.events-list {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    margin-top: 20px;
}

.event-item {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.event-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.event-item:last-child {
    border-bottom: none;
}

.event-item h3 a {
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
}

.event-item h3 a:hover {
    color: var(--primary);
}

.event-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 4px 0;
}

.event-category {
    display: inline-block;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.event-category.work { background: hsla(var(--cat-work-hsl), 0.15); color: hsl(var(--cat-work-hsl)); }
.event-category.personal { background: hsla(var(--cat-personal-hsl), 0.15); color: hsl(var(--cat-personal-hsl)); }
.event-category.social { background: hsla(var(--cat-social-hsl), 0.15); color: hsl(var(--cat-social-hsl)); }
.event-category.other { background: hsla(var(--cat-other-hsl), 0.15); color: hsl(var(--cat-other-hsl)); }

/* Detailed Card View Page */
.event-details {
    max-width: 600px;
    margin: 40px auto;
}

.event-details p {
    font-size: 1.05rem;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 12px;
}

.event-details strong {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    display: block;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.event-details button {
    margin-right: 12px;
    margin-top: 16px;
}

/* Statistics Dash Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(30, 41, 59, 0.5) 100%);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-glow);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
    margin-bottom: 4px;
}

.stat-card div:last-child {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}