:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --success-color: #4cc9f0;
    --light-bg: #f8f9fa;
    --card-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* FIX UTAMA UNTUK OVERFLOW MOBILE */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 20px 0;
}

.container {
    max-width: 800px;
    padding-left: 15px;
    padding-right: 15px;
    margin: 0 auto;
}

.form-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    padding: 30px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.form-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.form-header h2 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 10px;
}

.form-header:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--success-color));
    margin: 10px auto;
    border-radius: 2px;
}

.form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.form-label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.form-control, .form-select {
    border-radius: 10px;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    transition: var(--transition);
    background-color: #f8f9fa !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
    background-color: white !important;
}

.form-control.valid {
    border-color: #28a745;
}

.form-control.invalid {
    border-color: #dc3545;
}

.input-group-text {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px 0 0 10px;
}

.error-message {
    font-size: 0.875rem;
    margin-top: 5px;
    display: flex;
    align-items: center;
    color: #dc3545;
}

.error-message i {
    margin-right: 5px;
}

.btn-submit {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 10px;
    padding: 14px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    color: white;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 14px rgba(67, 97, 238, 0.3);
    color: white;
}

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

.btn-submit:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

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

.btn-secondary {
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: #6c757d;
    transform: translateY(-2px);
    color: white;
}

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading:after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    background-color: #f8f9fa;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.05);
}

.file-upload-area i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.file-upload-area p {
    margin-bottom: 0;
    color: #6c757d;
}

.file-name {
    margin-top: 10px;
    font-weight: 500;
    color: var(--primary-color);
}

.progress-container {
    margin: 20px 0;
    display: none;
}

.progress-bar {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--success-color));
    width: 0%;
    transition: width 0.5s ease;
}

.step-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    position: relative;
}

.step-indicator:before {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #e9ecef;
    z-index: 1;
}

.step {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #6c757d;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.step.active {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.step.completed {
    background-color: var(--success-color);
    color: white;
}

.form-section {
    display: none;
}

.form-section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.success-checkmark {
    text-align: center;
    margin: 30px 0;
    display: none;
}

.success-checkmark i {
    font-size: 4rem;
    color: #28a745;
    animation: bounceIn 0.6s ease;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

.character-count {
    text-align: right;
    font-size: 0.75rem;
    color: #6c757d;
    margin-top: 5px;
}

.character-count.near-limit {
    color: #ffc107;
}

.character-count.over-limit {
    color: #dc3545;
}

.form-group {
    margin-bottom: 1.5rem;
}

.required-field::after {
    content: " *";
    color: #dc3545;
}

/* Media Query untuk Mobile */
@media (max-width: 768px) {
    body {
        padding: 10px 0;
    }

    .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    .form-card {
        padding: 20px 15px;
        margin: 10px 0;
        border-radius: 12px;
    }

    .form-header h2 {
        font-size: 1.3rem;
        word-wrap: break-word;
        line-height: 1.3;
    }

    .step-indicator {
        margin-bottom: 20px;
    }

    .step {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }

    .nav-buttons {
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .nav-buttons .btn {
        flex: 1;
        min-width: 120px;
        font-size: 0.9rem;
        padding: 10px;
    }

    .form-section h4 {
        font-size: 1.2rem;
    }
}

/* Fix SweetAlert2 Mobile */
@media (max-width: 768px) {
.swal2-popup {
    margin: auto !important;
    max-width: 90% !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
}
    .swal2-container {
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    pointer-events: auto;
}
}