:root {
    /* Custom Color Palette */
    --primary-dark: #5b1f1f;
    --primary-gold: #e9c66f;
    --secondary-gold: #f7f3b7;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e0e0e0;
    --dark-gray: #333333;
    --gradient: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Functional Colors */
    --primary-gradient: var(--gradient);
    --secondary-gradient: linear-gradient(135deg, var(--primary-dark), #7a2a2a);
    --success-color: #10b981;
    --error-color: #dc2626;
    --warning-color: #f59e0b;
    
    /* Background Colors */
    --bg-primary: var(--white);
    --bg-secondary: var(--light-gray);
    --bg-card: var(--white);
    --text-primary: var(--dark-gray);
    --text-secondary: #666666;
    --border-color: var(--medium-gray);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(to bottom, var(--light-gray), var(--white));
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(233, 198, 111, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(247, 243, 183, 0.08) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Header */
.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.form-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    animation: slideDown 0.6s ease-out;
}

.form-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    animation: slideDown 0.8s ease-out;
}

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

/* Progress Indicator */
.progress-container {
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 1s ease-out;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: var(--spacing-md);
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: -1;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: all var(--transition-base);
    z-index: 1;
}

.progress-step.active .step-circle {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: 0 0 20px rgba(233, 198, 111, 0.4);
    transform: scale(1.1);
}

.progress-step.completed .step-circle {
    background: var(--primary-dark);
    border-color: transparent;
}

.step-label {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-align: center;
}

.progress-step.active .step-label {
    color: var(--text-primary);
    font-weight: 600;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Form Card */
.form-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary-gold);
    border-radius: 20px;
    padding: var(--spacing-xl);
    box-shadow: var(--box-shadow);
    animation: slideUp 0.6s ease-out;
}

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

/* Form Sections */
.form-section {
    display: none;
}

.form-section.active {
    display: block;
    animation: fadeInSection 0.4s ease-out;
}

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

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.form-grid.two-column {
    grid-template-columns: repeat(2, 1fr);
}

.form-grid.three-column {
    grid-template-columns: repeat(3, 1fr);
}

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

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

/* Labels */
label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

label .required {
    color: var(--error-color);
}

/* Input Fields */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(233, 198, 111, 0.15);
    background: var(--white);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

/* Select Dropdown */
select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Radio and Checkbox */
.radio-group,
.checkbox-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.radio-option:hover,
.checkbox-option:hover {
    border-color: var(--primary-gold);
    background: rgba(233, 198, 111, 0.08);
}

input[type="radio"],
input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* File Upload */
.file-upload-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-upload-input {
    position: absolute;
    left: -9999px;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 1rem;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.file-upload-label:hover {
    border-color: var(--primary-gold);
    background: rgba(233, 198, 111, 0.08);
}

.file-upload-label.has-file {
    border-style: solid;
    border-color: var(--primary-dark);
    background: rgba(91, 31, 31, 0.05);
}

.file-name {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Table */
.academic-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    display: block;
}

.academic-table table {
    width: 100%;
    min-width: 800px;
}

.academic-table th,
.academic-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.academic-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
    position: sticky;
    top: 0;
}

.academic-table input {
    margin: 0;
}

/* Buttons */
.button-group {
    display: flex;
    gap: var(--spacing-md);
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(233, 198, 111, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--text-primary);
    border: 2px solid var(--primary-gold);
}

.btn-secondary:hover {
    background: var(--light-gray);
    border-color: var(--primary-dark);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Error Messages */
.error-message {
    color: var(--error-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.3s ease-in-out;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--error-color);
}

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

/* Success Message */
.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin-bottom: var(--spacing-lg);
    display: none;
}

.success-message.show {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

.loading-spinner.show {
    display: block;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .form-card {
        padding: var(--spacing-md);
        border-radius: 15px;
    }
    
    .form-grid,
    .form-grid.two-column,
    .form-grid.three-column {
        grid-template-columns: 1fr;
    }
    
    .progress-steps {
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .step-label {
        font-size: 0.65rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .form-header h1 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .step-circle {
        width: 32px;
        height: 32px;
        font-size: var(--font-size-sm);
    }
    
    .step-label {
        display: none;
    }
}