/* ============================================
   APPLICATION FORM - MAIN STYLES
   ============================================ */

:root {
    --primary-color: #0ea5e9;
    --primary-hover: #0284c7;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   SECTION PRINCIPALE
   ============================================ */

.application-section {
    padding: 3rem 0 5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    min-height: 100vh;
}

.application-section .container {
    max-width: 1000px;
}

/* ============================================
   HEADER
   ============================================ */

.application-header {
    margin-bottom: 3rem;
    text-align: center;
    padding-top: 3rem;
}

.application-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: var(--text-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.application-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Progress Bar */
.progress-indicator {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 50px;
    padding: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.progress-bar {
    height: 40px;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: width 0.4s ease;
    width: 0%;
    position: relative;
    overflow: hidden;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    to { left: 100%; }
}

.progress-text {
    color: var(--bg-white);
    font-weight: 600;
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
}

/* ============================================
   FORMULAIRE
   ============================================ */

.application-form {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

/* ============================================
   ACCORDION
   ============================================ */

.application-accordion {
    border: none;
    gap: 1rem;
}

/* ============================================
   BLOCK SECTIONS (NO ACCORDION)
   ============================================ */

.application-blocks {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.application-block {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-white);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.application-block-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.application-block-body {
    padding: 2rem 1.5rem;
    background: var(--bg-light);
}

.accordion-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius) !important;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
    background: var(--bg-white);
}

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

.accordion-item:last-child {
    margin-bottom: 0;
}

.accordion-header {
    margin-bottom: 0;
}

.accordion-button {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
    background: var(--bg-white);
    border: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    color: var(--bg-white);
    box-shadow: none;
}

.accordion-button:not(.collapsed) .section-status i {
    display: inline-block !important;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
    border-color: var(--primary-color);
}

.accordion-button::after {
    margin-left: auto;
    transition: transform 0.3s ease;
}

.accordion-button i.fas {
    font-size: 1.25rem;
    opacity: 0.9;
}

.section-status {
    margin-left: auto;
    margin-right: 1rem;
}

.accordion-body {
    padding: 2rem 1.5rem;
    background: var(--bg-light);
}

/* ============================================
   FORM GRID
   ============================================ */

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group-full {
    grid-column: 1 / -1;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   FORM GROUPS
   ============================================ */

.form-group {
    margin-bottom: 0;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-label.required::after {
    content: '*';
    color: var(--danger-color);
    margin-left: 0.25rem;
    font-size: 1.125rem;
}

.form-control,
.form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-white);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-text {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.branch-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1.5rem;
    padding: 0.5rem 0;
}

.branch-card {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 1rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.branch-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.branch-input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}

.branch-label {
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
}

.branch-input:checked + .branch-label {
    color: var(--primary-color);
}

.branch-options .invalid-feedback {
    grid-column: 1 / -1;
}

/* Form Errors */
.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger-color);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.invalid-feedback::before {
    content: '!';
    font-size: 1rem;
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    border-radius: var(--border-radius-sm);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    border: none;
    font-size: 0.9375rem;
}

.alert i.fas {
    font-size: 1.25rem;
    opacity: 0.9;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
}

.alert strong {
    font-weight: 700;
}

/* ============================================
   COLLECTION ITEMS
   ============================================ */

.collection-section {
    position: relative;
}

.collection-holder {
    margin-bottom: 1.5rem;
}

.collection-item {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    position: relative;
}

.collection-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.collection-item:last-child {
    margin-bottom: 0;
}

.collection-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.collection-item-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
}

.collection-item-title i {
    color: var(--primary-color);
}

.btn-remove-item {
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    font-size: 0.875rem;
}

.btn-remove-item:hover {
    background: var(--danger-color);
    color: var(--bg-white);
    transform: scale(1.05);
}

.btn-add-item {
    width: 100%;
    padding: 1rem;
    font-weight: 600;
    border: 2px dashed var(--primary-color);
    color: var(--primary-color);
    background: rgba(14, 165, 233, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-add-item:hover {
    background: var(--primary-color);
    color: var(--bg-white);
    border-style: solid;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.empty-state i {
    opacity: 0.5;
}

.empty-state p {
    margin: 0;
    font-size: 1.125rem;
}

/* ============================================
   LANGUAGE SECTION
   ============================================ */

.language-section .form-select {
    font-size: 1.125rem;
    padding: 1rem 1.25rem;
}

/* ============================================
   DOCUMENTS SECTION
   ============================================ */

.documents-section .form-control[type="file"] {
    padding: 0.75rem;
    cursor: pointer;
}

.documents-section .form-control[type="file"]::file-selector-button {
    padding: 0.5rem 1rem;
    margin-right: 1rem;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.documents-section .form-control[type="file"]::file-selector-button:hover {
    background: var(--primary-hover);
}

.document-upload-wrapper {
    position: relative;
}

.current-file {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #15803d;
    font-size: 0.9375rem;
    font-weight: 500;
}

.current-file i {
    font-size: 1.25rem;
}

/* ============================================
   FORM ACTIONS
   ============================================ */

.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.btn-submit {
    background: var(--gradient-accent);
    color: var(--bg-white);
    border: none;
    padding: 1rem 2.5rem;
    font-weight: 700;
    font-size: 1.125rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

.btn-submit:active {
    transform: translateY(-1px);
}

.btn-outline-secondary {
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    background: transparent;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline-secondary:hover {
    border-color: var(--text-secondary);
    background: var(--text-secondary);
    color: var(--bg-white);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 992px) {
    .application-title {
        font-size: 2rem;
    }
    
    .application-form {
        padding: 0rem;
    }
}

@media (max-width: 768px) {
    .application-section {
        padding: 2rem 0 3rem;
    }
    
    .application-title {
        font-size: 1.75rem;
    }
    
    .application-subtitle {
        font-size: 1rem;
    }
    .application-block
    {
        margin: 0 .3rem;
    }
    .application-block-body
    {
        padding: 1rem .3rem;
    }
    
    .documents-section
    {
        padding: 0 1rem;
    }
    .form-actions {
        flex-direction: column-reverse;
        padding-bottom: 2rem;
    }
    
    .btn-submit,
    .btn-outline-secondary {
        justify-content: center;
        width: 90%;
    }
    
    .accordion-button {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .accordion-body {
        padding: 1.5rem 1rem;
    }
    
    .collection-item {
        padding: 1rem;

    }
    
    .collection-item-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .btn-remove-item {
        width: 100%;
    }

    .branch-options {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

.collection-item {
    animation: fadeIn 0.3s ease;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .application-section {
        background: white;
    }
    
    .btn-add-item,
    .btn-remove-item,
    .form-actions {
        display: none;
    }
    
    .accordion-item {
        box-shadow: none;
        page-break-inside: avoid;
    }
    
    .accordion-button {
        background: white !important;
        color: black !important;
    }
}