/* =====================================================
   OfficeSync - Staff Timeline Management System
   Modern Premium CSS Design
===================================================== */

:root {
    /* Core Colors */
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --primary-bg: #eef2ff;

    /* Status Colors */
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --info: #3b82f6;
    --info-bg: #eff6ff;

    /* Category Colors */
    --purple: #8b5cf6;
    --purple-bg: #f5f3ff;
    --rose: #f43f5e;
    --rose-bg: #fff1f2;
    --amber: #f59e0b;
    --amber-bg: #fffbeb;
    --teal: #14b8a6;
    --teal-bg: #f0fdfa;

    /* Neutral Colors */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.04);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);

    /* Gradient Tokens */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-primary-hover: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
    --gradient-surface: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    --gradient-rose: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-bg-heavy: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px 0 rgba(79, 70, 229, 0.06);
    --glass-blur: blur(16px);

    /* Colored Shadows */
    --shadow-primary: 0 4px 14px -4px rgba(79, 70, 229, 0.4);
    --shadow-primary-lg: 0 8px 24px -6px rgba(79, 70, 229, 0.35);
    --shadow-rose: 0 4px 14px -4px rgba(244, 63, 94, 0.4);
    --shadow-success: 0 4px 14px -4px rgba(16, 185, 129, 0.4);
    --shadow-warning: 0 4px 14px -4px rgba(245, 158, 11, 0.4);
    --shadow-danger: 0 4px 14px -4px rgba(239, 68, 68, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Borders */
    --border-color: #e2e8f0;
}

/* =====================================================
   Reset & Base
===================================================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--slate-50);
    color: var(--slate-800);
    line-height: 1.5;
}

/* =====================================================
   Utilities
===================================================== */

.hidden {
    display: none !important;
}

.text-muted {
    color: var(--slate-400);
    font-size: 0.75rem;
}

.text-center {
    text-align: center;
}

/* =====================================================
   Loading Screen
===================================================== */

.loading-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: white;
    gap: var(--space-4);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* =====================================================
   Login Page
===================================================== */

.login-page {
    min-height: 100vh;
    background: var(--slate-100);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.login-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--slate-200);
}

.login-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    box-shadow: 0 10px 40px -10px var(--primary);
}

.login-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.login-card h2 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--slate-800);
    margin-bottom: var(--space-2);
}

.login-subtitle {
    text-align: center;
    color: var(--slate-500);
    font-size: 0.875rem;
    margin-bottom: var(--space-6);
}

.login-hint {
    text-align: center;
    font-size: 0.75rem;
    color: var(--slate-400);
    margin-top: var(--space-6);
}

.login-hint b {
    color: var(--slate-600);
}

/* =====================================================
   Form Elements
===================================================== */

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--slate-600);
    margin-bottom: 6px;
    margin-left: 2px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 16px;
    border: 1.5px solid var(--slate-200);
    border-radius: 12px;
    background: white;
    font-size: 0.875rem;
    color: var(--slate-800);
    transition: all 0.25s var(--ease-smooth);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--slate-400);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--slate-300);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    background: white;
}

.form-group textarea {
    resize: vertical;
    line-height: 1.6;
    min-height: 80px;
}

.form-group select {
    cursor: pointer;
    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='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.error-message {
    padding: 10px 14px;
    background: var(--danger-bg);
    color: var(--danger);
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    text-align: center;
    border: 1.5px solid #fecaca;
    margin-bottom: var(--space-4);
}

.divider {
    height: 1px;
    background: var(--slate-200);
    margin: var(--space-4) 0;
}

/* =====================================================
   Buttons
===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px 20px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
}

.btn svg {
    width: 15px;
    height: 15px;
    transition: transform 0.2s var(--ease-smooth);
}

.btn:hover svg {
    transform: scale(1.1);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.72rem;
    border-radius: 10px;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 0.68rem;
    border-radius: 8px;
}

.btn-block {
    width: 100%;
    padding: 12px 20px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background: var(--gradient-primary-hover);
    box-shadow: var(--shadow-primary-lg);
    transform: translateY(-2px);
}

.btn-primary:active,
.btn-primary.pressed {
    transform: translateY(0) scale(0.97);
    box-shadow: 0 2px 8px -2px rgba(79, 70, 229, 0.4);
}

.btn-purple {
    background: var(--purple-bg);
    color: var(--purple);
    border: 1.5px solid #ddd6fe;
}

.btn-purple:hover {
    background: #ede9fe;
    box-shadow: 0 4px 12px -4px rgba(139, 92, 246, 0.25);
    transform: translateY(-1px);
}

.btn-rose {
    background: var(--gradient-rose);
    color: white;
    box-shadow: var(--shadow-rose);
}

.btn-rose:hover {
    box-shadow: 0 6px 20px -4px rgba(244, 63, 94, 0.45);
    transform: translateY(-2px);
}

.btn-rose:active,
.btn-rose.pressed {
    transform: translateY(0) scale(0.97);
}

.btn-outline {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--primary);
    border: 1.5px solid #c7d2fe;
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    background: var(--primary-bg);
    border-color: var(--primary-light);
    box-shadow: 0 4px 12px -4px rgba(79, 70, 229, 0.15);
    transform: translateY(-1px);
}

.btn-outline:active,
.btn-outline.pressed {
    transform: translateY(0) scale(0.97);
}

.btn-ghost {
    background: transparent;
    color: var(--slate-600);
}

.btn-ghost:hover {
    background: var(--slate-100);
    color: var(--slate-800);
    transform: translateY(-1px);
}

.btn-ghost:active,
.btn-ghost.pressed {
    transform: scale(0.97);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-success);
}

.btn-success:hover {
    box-shadow: 0 6px 20px -4px rgba(16, 185, 129, 0.45);
    transform: translateY(-2px);
}

.btn-warning {
    background: var(--gradient-warning);
    color: white;
    box-shadow: var(--shadow-warning);
}

.btn-warning:hover {
    box-shadow: 0 6px 20px -4px rgba(245, 158, 11, 0.45);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: var(--shadow-danger);
}

.btn-danger:hover {
    box-shadow: 0 6px 20px -4px rgba(239, 68, 68, 0.45);
    transform: translateY(-2px);
}

.btn-danger:active,
.btn-danger.pressed {
    transform: translateY(0) scale(0.97);
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--slate-500);
    transition: all 0.25s var(--ease-smooth);
    position: relative;
}

.icon-btn:hover {
    background: var(--slate-100);
    color: var(--slate-700);
    transform: scale(1.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.icon-btn:active,
.icon-btn.pressed {
    transform: scale(0.92);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s var(--ease-smooth);
}

.text-btn {
    background: none;
    border: none;
    color: var(--info);
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth);
    padding: 4px 8px;
    border-radius: 6px;
}

.text-btn:hover {
    background: var(--info-bg);
    color: #1d4ed8;
}

/* =====================================================
   Header
===================================================== */

.header {
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 20px rgba(0, 0, 0, 0.02);
}

.header-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-primary);
    transition: transform 0.3s var(--ease-spring);
}

.logo:hover {
    transform: scale(1.08) rotate(-3deg);
}

.logo svg {
    width: 20px;
    height: 20px;
    color: white;
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--slate-800);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.logo-text p {
    font-size: 0.625rem;
    color: var(--slate-500);
    margin-top: -2px;
}

.logo-text span {
    color: var(--primary);
    font-weight: 700;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.divider-vertical {
    width: 1px;
    height: 24px;
    background: var(--slate-200);
    margin: 0 var(--space-1);
    opacity: 0.6;
}

/* App View Toggle (Timeline | Notepad | Lampiran) */
.app-view-toggle {
    display: inline-flex;
    align-items: center;
    background: var(--slate-100);
    padding: 4px;
    border-radius: 12px;
    border: 1px solid var(--slate-200);
    gap: 2px;
}

.app-view-btn {
    appearance: none;
    -webkit-appearance: none;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--slate-500);
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
    white-space: nowrap;
}

.app-view-btn.active {
    background: white;
    color: var(--primary);
    border-color: rgba(79, 70, 229, 0.12);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(79, 70, 229, 0.06);
    font-weight: 700;
}

.app-view-btn:hover:not(.active) {
    background: rgba(0, 0, 0, 0.03);
    color: var(--slate-700);
}

/* Notification Badge */
.badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    background: var(--danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

/* Dropdown */
.notification-wrapper {
    position: relative;
}

.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--slate-100);
    overflow: hidden;
    z-index: 50;
    animation: dropdownIn 0.2s ease;
}

@keyframes dropdownIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }

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

.dropdown-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--slate-50);
    background: var(--slate-50);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dropdown-header span {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--slate-700);
}

.dropdown-content {
    max-height: 256px;
    overflow-y: auto;
}

.notif-item {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--slate-50);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    transition: var(--transition-fast);
    cursor: pointer;
}

.notif-item:hover {
    background: var(--slate-50);
}

.notif-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.notif-item .dot.success {
    background: var(--success);
}

.notif-item .dot.warning {
    background: var(--warning);
}

.notif-item .dot.info {
    background: var(--info);
}

.notif-item .dot.deadline {
    background: var(--danger);
}

.notif-item .dot.transition {
    background: var(--purple);
}

.notif-item .dot.request {
    background: var(--rose);
}

.notif-item p {
    font-size: 0.75rem;
    color: var(--slate-700);
    line-height: 1.4;
}

.notif-item .time {
    font-size: 0.625rem;
    color: var(--slate-400);
    display: block;
    margin-top: 2px;
}

.empty-state {
    padding: var(--space-4);
    text-align: center;
    color: var(--slate-400);
    font-size: 0.75rem;
    font-style: italic;
}

/* =====================================================
   Main Content
===================================================== */

.main-content {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--space-3);
    height: calc(100vh - 64px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    flex-shrink: 0;
}

.page-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.page-header-left h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--slate-800);
}

.page-header-left p {
    color: var(--slate-500);
    font-size: 0.875rem;
}

.page-header-left p span {
    color: var(--primary);
    font-weight: 700;
}

.date-picker-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    box-shadow: var(--shadow-sm);
}

.date-picker-wrapper svg {
    width: 14px;
    height: 14px;
    color: var(--slate-500);
}

.date-picker-wrapper input {
    border: none;
    background: transparent;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-700);
    cursor: pointer;
}

.date-picker-wrapper input:focus {
    outline: none;
}

.page-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.page-header-right svg {
    width: 14px;
    height: 14px;
    color: var(--slate-400);
}

.page-header-right select {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-600);
    cursor: pointer;
}