/* =============================================
   PPP Production Management System
   Main Stylesheet
   ============================================= */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --light: #f8fafc;
    --dark: #1e293b;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius: 0.5rem;
    --radius-lg: 1rem;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans Thai', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar {
    background: var(--gradient-primary) !important;
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    transform: translateY(-2px);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

.container-fluid {
    max-width: 1400px;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Dashboard Stats */
.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

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

.stat-card .stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
}

.stat-card .stat-label {
    color: var(--secondary);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    border-radius: var(--radius);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
}

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

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

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

.btn-success {
    background: var(--gradient-success);
    border: none;
}

/* Tables */
.table {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
}

.table thead {
    background: var(--gradient-primary);
    color: white;
}

.table thead th {
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: rgba(37, 99, 235, 0.05);
}

.table td {
    padding: 1rem;
    vertical-align: middle;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5em 1em;
    border-radius: 50px;
}

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

.badge-primary {
    background: var(--primary);
}

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

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

.badge-secondary {
    background: var(--secondary);
}

/* Forms */
.form-control, .form-select {
    border-radius: var(--radius);
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
}

.login-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 3rem;
    width: 100%;
    max-width: 420px;
}

.login-card .logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-card .logo i {
    font-size: 4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dark);
}

/* Process Timeline */
.process-timeline {
    position: relative;
    padding-left: 30px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e2e8f0;
}

.process-item {
    position: relative;
    padding: 1rem 0;
    padding-left: 1.5rem;
}

.process-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #e2e8f0;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}

.process-item.pending::before {
    background: var(--warning);
}

.process-item.in_progress::before {
    background: var(--primary);
    animation: pulse 1.5s infinite;
}

.process-item.completed::before {
    background: var(--success);
}

.process-item.skipped::before {
    background: var(--secondary);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(37, 99, 235, 0); }
}

/* File Upload */
.upload-zone {
    border: 3px dashed #e2e8f0;
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: rgba(255,255,255,0.5);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.upload-zone i {
    font-size: 4rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.upload-zone p {
    color: var(--secondary);
    margin: 0;
}

/* Footer */
.footer {
    background: white !important;
    box-shadow: 0 -1px 3px rgba(0,0,0,0.1);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}