/* Custom CSS untuk Aplikasi Absensi Foto */

:root {
    --primary-color: #4f46e5;
    --secondary-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --gradient-bg: linear-gradient(135deg, #1233c7 0%, #2f77c0 50%, #1a9cab 100%);
    --card-shadow: 0 25px 45px rgba(0, 0, 0, 0.15);
}

body {
    background: var(--gradient-bg);
    background-attachment: fixed;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 20px 0;
}

.container {
    max-width: 350px;
    margin: 0 auto;
    padding: 0 20px;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border: none;
    border-radius: 25px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    padding: 1.5rem !important;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

/* Logo Styling */
.logo-section {
    margin-bottom: 1rem;
}

.app-logo {
    width: 150px;
    height: 100px;
    border-radius: 15px;
    padding: 7px;
    transition: transform 0.3s ease;
}

.app-logo:hover {
    transform: scale(1.05);
}

.card-title {
    color: var(--dark-color);
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.card-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--gradient-bg);
    border-radius: 2px;
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-control, .form-select {
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.15rem rgba(79, 70, 229, 0.2);
    background: white;
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: #9ca3af;
    font-style: italic;
}

.btn-primary {
    background: var(--gradient-bg);
    border: none;
    border-radius: 10px;
    padding: 12px 20px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-primary:hover i {
    transform: scale(1.2);
}

/* Animasi untuk textarea catatan */
#notesField {
    transition: all 0.4s ease;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
}

#notesField.show {
    opacity: 1;
    max-height: 200px;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (min-width: 769px) {
    /* Desktop styling - keep mobile-like appearance */
    .container {
        max-width: 400px;
        padding: 0 20px;
    }
    
    .card {
        margin: 60px auto;
        border-radius: 30px;
        padding: 1.5rem !important;
    }
    
    .card-title {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }
    
    .btn-primary {
        padding: 12px 20px;
        font-size: 1rem;
    }
    
    .form-control, .form-select {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
        max-width: 100%;
    }
    
    .card {
        margin: 10px;
        border-radius: 30px;
    }
    
    .card-title {
        font-size: 1.2rem;
    }
    
    .btn-primary {
        padding: 11px 18px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px 0;
    }
    
    .card {
        margin: 5px;
        padding: 1.2rem !important;
    }
    
    .card-title {
        font-size: 1.1rem;
        margin-bottom: 1.2rem;
    }
    
    .form-control, .form-select {
        padding: 9px 12px;
        font-size: 0.85rem;
    }
    
    .app-logo {
        width: 150px;
        height: 100px;
    }
}

/* Loading animation */
.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Validasi form styling */
.form-control.is-invalid, .form-select.is-invalid {
    border-color: var(--danger-color);
    animation: shake 0.5s ease-in-out;
}

.form-control.is-valid, .form-select.is-valid {
    border-color: var(--success-color);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.valid-feedback {
    color: var(--success-color);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}