@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --primary: #5d2d91; /* University of Phayao Purple */
    --primary-light: #7b42bd;
    --primary-dark: #3f1a6b;
    --primary-glow: rgba(93, 45, 145, 0.15);
    
    --secondary: #bca256; /* University of Phayao Gold */
    --secondary-light: #d6bc73;
    --secondary-dark: #917730;
    
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-glow: rgba(59, 130, 246, 0.1);
    
    --bg-base: #f4f5f8;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --font-sans: 'Prompt', 'Inter', -apple-system, sans-serif;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 20px -2px rgba(93, 45, 145, 0.05), 0 2px 8px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 25px -5px rgba(93, 45, 145, 0.08), 0 8px 16px -6px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 40px -10px rgba(93, 45, 145, 0.12);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-light);
}

/* Common Layout Components */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navbar */
.main-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #4a2175 100%);
    color: #ffffff;
    padding: 40px 0;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.main-header::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
    opacity: 0.15;
    pointer-events: none;
    border-radius: 50%;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-placeholder {
    width: 60px;
    height: 60px;
    background-color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--secondary);
}

.logo-placeholder svg {
    width: 35px;
    height: 35px;
    fill: var(--primary);
}

.brand-text h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.brand-text p {
    font-size: 0.95rem;
    color: var(--secondary-light);
    font-weight: 500;
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* Hero Section / Budget Stats */
.stats-banner {
    margin-top: -30px;
    margin-bottom: 40px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.purple {
    background-color: var(--primary-glow);
    color: var(--primary);
}

.stat-icon.gold {
    background-color: rgba(188, 162, 86, 0.15);
    color: var(--secondary-dark);
}

.stat-icon.success {
    background-color: var(--success-glow);
    color: var(--success);
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-details h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

.stat-details .value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 4px;
}

/* Filter and Search Section */
.search-filter-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.filter-form {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 16px;
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 10px 16px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
    color: var(--text-main);
    background-color: #ffffff;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-secondary {
    background-color: #ffffff;
    border: 1.5px solid var(--primary);
    color: var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary-glow);
    transform: translateY(-2px);
}

.btn-accent {
    background-color: var(--secondary);
    color: #ffffff;
}

.btn-accent:hover {
    background-color: var(--secondary-light);
    transform: translateY(-2px);
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
}

.btn-icon-only {
    padding: 10px;
    border-radius: 50%;
}

/* Projects Timeline Layout (Public View) */
.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.project-header {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: #fafbfd;
}

.project-title-area h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.project-meta {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    background-color: #f1f5f9;
    color: var(--text-muted);
}

.meta-badge.budget {
    background-color: rgba(188, 162, 86, 0.12);
    color: var(--secondary-dark);
}

.meta-badge.year {
    background-color: var(--primary-glow);
    color: var(--primary);
}

.project-status-badge {
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 20px;
}

.badge-planning { background-color: var(--info-glow); color: var(--info); }
.badge-draft { background-color: var(--warning-glow); color: var(--warning); }
.badge-bidding { background-color: var(--primary-glow); color: var(--primary); }
.badge-clarification { background-color: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.badge-completed { background-color: var(--success-glow); color: var(--success); }
.badge-danger { background-color: var(--danger-glow); color: var(--danger); }
.badge-unknown { background-color: #f1f5f9; color: var(--text-muted); }


/* Timeline Stepper Component */
.timeline-stepper {
    padding: 30px 24px;
    position: relative;
}

.steps-container {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 40px;
    right: 40px;
    height: 4px;
    background-color: var(--border-color);
    z-index: 1;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    flex: 1;
    cursor: pointer;
}

.step-node {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 3px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-light);
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.step-label {
    margin-top: 12px;
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-muted);
    max-width: 140px;
    transition: var(--transition);
}

/* Active Step Status Styling */
.step-item.completed .step-node {
    border-color: var(--success);
    background-color: var(--success);
    color: #ffffff;
}
.step-item.completed .step-label {
    color: var(--success);
}

.step-item.current .step-node {
    border-color: var(--primary);
    background-color: #ffffff;
    color: var(--primary);
    box-shadow: 0 0 0 6px var(--primary-glow);
}
.step-item.current .step-label {
    color: var(--primary);
    font-weight: 700;
}

.step-item.active-doc .step-node {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(93, 45, 145, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(93, 45, 145, 0); }
    100% { box-shadow: 0 0 0 0 rgba(93, 45, 145, 0); }
}

/* Expanded Document Panel */
.project-details-panel {
    background-color: #fcfdfe;
    border-top: 1px dashed var(--border-color);
    padding: 24px;
    display: none; /* Controlled by JS toggle */
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.doc-timeline-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.doc-timeline-title svg {
    width: 20px;
    height: 20px;
}

/* Document List styling */
.doc-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.doc-row {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.doc-row:hover {
    border-color: var(--primary-light);
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(93, 45, 145, 0.04);
}

.doc-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.doc-step-indicator {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

.doc-title-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

.doc-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.doc-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.doc-notes {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 4px 12px;
    border-left: 3px solid var(--border-color);
    margin-top: 6px;
}

/* Admin Dashboard CSS Styles */
.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: linear-gradient(180deg, var(--primary-dark) 0%, #29104a 100%);
    color: #ffffff;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.05);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand h2 {
    font-size: 1.15rem;
    font-weight: 700;
}

.sidebar-menu {
    list-style: none;
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.sidebar-menu a {
    color: rgba(255, 255, 255, 0.7);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-menu a:hover, .sidebar-menu li.active a {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-menu li.active a {
    border-left: 4px solid var(--secondary);
    background-color: rgba(255, 255, 255, 0.15);
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
}

.admin-main {
    background-color: var(--bg-base);
    padding: 40px;
    overflow-y: auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 36px;
}

.admin-header h1 {
    font-size: 1.75rem;
    color: var(--primary-dark);
    font-weight: 700;
}

/* Card Admin */
.card-table-wrap {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card-table-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.card-table-header h2 {
    font-size: 1.1rem;
    color: var(--text-main);
}

/* Responsive Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table-admin {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table-admin th {
    background-color: #fafbfd;
    padding: 16px 24px;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-bottom: 2px solid var(--border-color);
}

.table-admin td {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
    color: var(--text-main);
    vertical-align: middle;
}

.table-admin tr:hover {
    background-color: #fcfdfe;
}

/* Login Panel */
.login-body {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1e0936 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    width: 100%;
    max-width: 440px;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header svg {
    width: 50px;
    height: 50px;
    fill: var(--primary);
    margin-bottom: 12px;
}

.login-header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.login-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.alert-message {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.alert-danger {
    background-color: var(--danger-glow);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.alert-success {
    background-color: var(--success-glow);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    animation: zoomIn 0.2s ease-out;
    border: 1px solid var(--border-color);
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Form Helper Classes */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Footer Section */
.main-footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    margin-top: 60px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.main-footer p {
    margin-bottom: 8px;
}

.main-footer .brand-copyright {
    font-weight: 600;
    color: var(--primary-dark);
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .filter-form {
        grid-template-columns: 1fr 1fr;
    }
    .filter-form .btn {
        grid-column: span 2;
    }
    .admin-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none; /* Need a toggler for mobile admin */
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .brand {
        flex-direction: column;
    }
    .steps-container {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
        padding-left: 20px;
    }
    .steps-container::before {
        left: 36px;
        top: 0;
        bottom: 0;
        width: 4px;
        height: auto;
    }
    .step-item {
        flex-direction: row;
        gap: 16px;
        align-items: center;
        width: 100%;
    }
    .step-label {
        margin-top: 0;
        text-align: left;
        max-width: none;
    }
    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .project-status-badge {
        align-self: flex-start;
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Project Info Summary Grid */
.project-info-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    padding: 0 24px 20px 24px;
    background-color: #ffffff;
}

.info-item {
    font-size: 0.88rem;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px 12px;
    background-color: #f8fafc;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.info-item strong {
    color: var(--text-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}