/* Modern Academic Request Submit Page - Premium UI/UX Design */
:root {
    --ac-req-modern-primary: #005845;
    --ac-req-modern-primary-dark: #003c2f;
    --ac-req-modern-secondary: #388e6c;
    --ac-req-modern-accent: #f59e0b;
    --ac-req-modern-success: #10b981;
    --ac-req-modern-danger: #ef4444;
    --ac-req-modern-warning: #f59e0b;
    --ac-req-modern-info: #06b6d4;
    --ac-req-modern-light: #e6f4ef;
    --ac-req-modern-lighter: #ffffff;
    --ac-req-modern-dark: #003c2f;
    --ac-req-modern-border: #b2d8cc;
    --ac-req-modern-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --ac-req-modern-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --ac-req-modern-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --ac-req-modern-radius: 12px;
    --ac-req-modern-radius-lg: 16px;
    --ac-req-modern-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ac-req-modern-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Modern Page Layout */
.ac-req-modern-body {
    background: #005845;
    min-height: 100vh;
    font-family: var(--ac-req-modern-font);
    line-height: 1.6;
    color: var(--ac-req-modern-dark);
}

.ac-req-modern-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.ac-req-modern-main-card {
    background: #f6fffa;
    border-radius: var(--ac-req-modern-radius-lg);
    box-shadow: var(--ac-req-modern-shadow-xl);
    overflow: hidden;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Modern Header Section */
.ac-req-modern-header {
    background: linear-gradient(135deg, #00795e 0%, var(--ac-req-modern-primary) 100%);
    color: #fff;
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ac-req-modern-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.6;
}

.ac-req-modern-header h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin: 0 0 1rem 0;
    position: relative;
    z-index: 1;
    letter-spacing: -0.025em;
}

.ac-req-modern-header .ac-req-modern-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
    font-weight: 500;
}

/* Modern Form Container */
.ac-req-modern-form-container {
    padding: 2rem;
}

/* Modern Section Cards */
.ac-req-modern-section {
    border: 1px solid var(--ac-req-modern-border);
    background: var(--ac-req-modern-lighter);
    border-radius: var(--ac-req-modern-radius);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: var(--ac-req-modern-transition);
    box-shadow: var(--ac-req-modern-shadow);
}

.ac-req-modern-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--ac-req-modern-shadow-lg);
    border-color: var(--ac-req-modern-primary);
}

.ac-req-modern-section-header {
    background: linear-gradient(135deg, var(--ac-req-modern-light) 0%, #b2d8cc 100%);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--ac-req-modern-border);
    position: relative;
}

.ac-req-modern-section-header::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, var(--ac-req-modern-primary) 0%, var(--ac-req-modern-accent) 100%);
}

.ac-req-modern-section-header h3 {
    margin: 0;
    color: var(--ac-req-modern-primary);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ac-req-modern-section-header h3 i {
    color: #fff;
    font-size: 1.5rem;
}

.ac-req-modern-section-content {
    padding: 2rem;
}

/* Modern Form Layout */
.ac-req-modern-form-row {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.ac-req-modern-form-row.grid-1 { grid-template-columns: 1fr; }
.ac-req-modern-form-row.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.ac-req-modern-form-row.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.ac-req-modern-form-group {
    display: flex;
    flex-direction: column;
}

/* Modern Form Labels */
.ac-req-modern-label {
    font-weight: 600;
    color: var(--ac-req-modern-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ac-req-modern-required::after {
    content: ' *';
    color: var(--ac-req-modern-danger);
    font-weight: bold;
}

/* Modern Form Controls */
.ac-req-modern-input {
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--ac-req-modern-border);
    border-radius: var(--ac-req-modern-radius);
    font-size: 1rem;
    transition: var(--ac-req-modern-transition);
    background: #f6fffa;
    font-family: inherit;
}

.ac-req-modern-input:focus {
    outline: none;
    border-color: var(--ac-req-modern-primary);
    box-shadow: 0 0 0 3px rgba(0, 88, 69, 0.12);
    transform: translateY(-1px);
}

.ac-req-modern-input:read-only {
    background: var(--ac-req-modern-light);
    cursor: not-allowed;
    opacity: 0.7;
}

.ac-req-modern-input.error {
    border-color: var(--ac-req-modern-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.ac-req-modern-input.success {
    border-color: var(--ac-req-modern-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Modern Select Controls */
.ac-req-modern-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 1rem center;
    background-repeat: no-repeat;
    background-size: 1.25rem;
    padding-right: 3rem;
    appearance: none;
}

.ac-req-modern-select option {
    color: var(--ac-req-modern-dark);
    padding: 0.5rem;
}

/* Modern Input Groups */
.ac-req-modern-input-group {
    display: flex;
    align-items: stretch;
    border-radius: var(--ac-req-modern-radius);
    overflow: hidden;
    box-shadow: var(--ac-req-modern-shadow);
}

.ac-req-modern-input-addon {
    background: linear-gradient(135deg, var(--ac-req-modern-light) 0%, #e0e7ff 100%);
    border: 2px solid var(--ac-req-modern-border);
    border-right: none;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ac-req-modern-primary);
    font-size: 1.25rem;
}

.ac-req-modern-input-group .ac-req-modern-input {
    border-radius: 0;
    border-left: none;
    flex: 1;
}

/* Modern Textarea */
.ac-req-modern-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.ac-req-modern-textarea-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ac-req-modern-textarea-intro,
.ac-req-modern-textarea-outro {
    background: var(--ac-req-modern-light);
    border: 1px solid var(--ac-req-modern-border);
    border-radius: var(--ac-req-modern-radius);
    padding: 1rem;
    text-align: center;
    font-style: italic;
    color: var(--ac-req-modern-secondary);
    font-size: 0.9rem;
}

/* Modern File Upload */
.ac-req-modern-file-upload {
    position: relative;
    border: 2px dashed var(--ac-req-modern-border);
    border-radius: var(--ac-req-modern-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--ac-req-modern-transition);
    background: var(--ac-req-modern-light);
    cursor: pointer;
}

.ac-req-modern-file-upload:hover {
    border-color: var(--ac-req-modern-primary);
    background: #f0f9ff;
    transform: translateY(-2px);
}

.ac-req-modern-file-upload input[type=file] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.ac-req-modern-file-upload-icon {
    font-size: 3rem;
    color: var(--ac-req-modern-primary);
    margin-bottom: 1rem;
}

.ac-req-modern-file-upload-text {
    font-size: 1.1rem;
    color: var(--ac-req-modern-secondary);
    margin-bottom: 0.5rem;
}

.ac-req-modern-file-upload-hint {
    font-size: 0.9rem;
    color: var(--ac-req-modern-secondary);
}

.ac-req-modern-file-info {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #b2d8cc 0%, #e6f4ef 100%);
    border-radius: var(--ac-req-modern-radius);
    text-align: center;
    color: var(--ac-req-modern-primary);
    font-size: 0.9rem;
    border: 1px solid #b2d8cc;
}

/* Modern Alerts */
.ac-req-modern-alert {
    padding: 1rem 1.5rem;
    border-radius: var(--ac-req-modern-radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    border: 1px solid transparent;
}

.ac-req-modern-alert-success {
    background: linear-gradient(135deg, var(--ac-req-modern-success) 0%, #059669 100%);
    color: white;
    border-color: #059669;
}

.ac-req-modern-alert-danger {
    background: linear-gradient(135deg, var(--ac-req-modern-danger) 0%, #dc2626 100%);
    color: white;
    border-color: #dc2626;
}

.ac-req-modern-alert-info {
    background: linear-gradient(135deg, var(--ac-req-modern-info) 0%, #0891b2 100%);
    color: white;
    border-color: #0891b2;
}

/* Modern Buttons */
.ac-req-modern-btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--ac-req-modern-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ac-req-modern-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    min-width: 140px;
    justify-content: center;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.ac-req-modern-btn::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;
}

.ac-req-modern-btn:hover::before {
    left: 100%;
}

.ac-req-modern-btn-primary {
    background: linear-gradient(135deg, var(--ac-req-modern-primary) 0%, var(--ac-req-modern-primary-dark) 100%);
    border: 1px solid var(--ac-req-modern-primary-dark);
    color: #fff;
    box-shadow: var(--ac-req-modern-shadow);
}

.ac-req-modern-btn-primary:hover {
    background: var(--ac-req-modern-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--ac-req-modern-shadow-lg);
}

.ac-req-modern-btn-secondary {
    background: linear-gradient(135deg, var(--ac-req-modern-secondary) 0%, #005845 100%);
    color: #fff;
    border: 1px solid #005845;
    box-shadow: var(--ac-req-modern-shadow);
}

.ac-req-modern-btn-secondary:hover {
    background: #003c2f;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--ac-req-modern-shadow-lg);
}

.ac-req-modern-btn-outline {
    background: transparent;
    color: var(--ac-req-modern-primary);
    border: 2px solid var(--ac-req-modern-primary);
}

.ac-req-modern-btn-outline:hover {
    background: var(--ac-req-modern-primary);
    color: #fff;
    transform: translateY(-2px);
}

.ac-req-modern-btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
}

.ac-req-modern-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Modern Vacation Grid */
.ac-req-modern-vacation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* Modern Calendar */
.ac-req-modern-calendar {
    width: 24px;
    height: 24px;
    transition: var(--ac-req-modern-transition);
    cursor: pointer;
}

.ac-req-modern-calendar:hover {
    transform: scale(1.1);
    filter: brightness(1.2);
}

/* Modern Loading States */
.ac-req-modern-btn.loading {
    position: relative;
    color: transparent;
}

.ac-req-modern-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: ac-req-modern-spin 1s linear infinite;
}

@keyframes ac-req-modern-spin {
    to { transform: rotate(360deg); }
}

/* Modern Animations */
.ac-req-modern-fade-in {
    animation: ac-req-modern-fadeIn 0.6s ease-out;
}

.ac-req-modern-slide-up {
    animation: ac-req-modern-slideUp 0.5s ease-out;
}

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

@keyframes ac-req-modern-slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modern Responsive Design */
@media (max-width: 1024px) {
    .ac-req-modern-container {
        margin: 1rem auto;
    }
    
    .ac-req-modern-form-row.grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .ac-req-modern-container {
        margin: 0.5rem auto;
        padding: 0 0.5rem;
    }
    
    .ac-req-modern-header {
        padding: 2rem 1rem;
    }
    
    .ac-req-modern-form-container {
        padding: 1rem;
    }
    
    .ac-req-modern-section-content {
        padding: 1.5rem;
    }
    
    .ac-req-modern-form-row {
        grid-template-columns: 1fr;
    }
    
    .ac-req-modern-vacation-grid {
        grid-template-columns: 1fr;
    }
    
    .ac-req-modern-btn-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .ac-req-modern-btn {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .ac-req-modern-header h1 {
        font-size: 1.75rem;
    }
    
    .ac-req-modern-section-content {
        padding: 1rem;
    }
    
    .ac-req-modern-input {
        padding: 0.75rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Modern Print Styles */
@media print {
    .ac-req-modern-btn-group,
    .ac-req-modern-file-upload {
        display: none;
    }
    
    .ac-req-modern-main-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .ac-req-modern-header {
        background: #f8f9fa !important;
        color: #000 !important;
    }
}

/* Modern Focus Management */
.ac-req-modern-input:focus-visible,
.ac-req-modern-select:focus-visible,
.ac-req-modern-btn:focus-visible {
    outline: 2px solid var(--ac-req-modern-primary);
    outline-offset: 2px;
}

/* Modern Hover Effects */
.ac-req-modern-section:hover .ac-req-modern-section-header::before {
    width: 8px;
}

/* Modern Scrollbar */
.ac-req-modern-main-card::-webkit-scrollbar {
    width: 8px;
}

.ac-req-modern-main-card::-webkit-scrollbar-track {
    background: var(--ac-req-modern-light);
    border-radius: 4px;
}

.ac-req-modern-main-card::-webkit-scrollbar-thumb {
    background: var(--ac-req-modern-primary);
    border-radius: 4px;
}

.ac-req-modern-main-card::-webkit-scrollbar-thumb:hover {
    background: var(--ac-req-modern-primary-dark);
} 

::-webkit-input-placeholder { color: #388e6c; }
::-moz-placeholder { color: #388e6c; }
:-ms-input-placeholder { color: #388e6c; }
::placeholder { color: #388e6c; }