/* SmartHRM Pro  public.css
   Styles for public-facing pages (teacher joining form, terms)
*/

/* Modern Dark Theme with Enhanced Glassmorphism */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-bg-hover: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-border-focus: rgba(102, 126, 234, 0.5);
    --shadow-light: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 12px 40px rgba(0, 0, 0, 0.3);
    --shadow-heavy: 0 20px 60px rgba(0, 0, 0, 0.4);
    --border-radius: 20px;
    --border-radius-small: 12px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #1a1a2e 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    z-index: -1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

/* Main Container */
.form-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    position: relative;
}

/* Header Section */
.form-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 10;
}

.form-header .logo {
    width: 100px;
    height: 100px;
    background: var(--glass-bg);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.form-header .logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0.1;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.form-header .logo i {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
}

.form-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 0 0 1rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 50%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    letter-spacing: -0.02em;
}

.form-header .subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    margin: 0;
    font-weight: 400;
    color: var(--text-secondary);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Progress Indicator */
.progress-container {
    margin-bottom: 3rem;
    width: 100%;
    max-width: 800px;
}

.progress-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--glass-border);
    z-index: 1;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.6;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.step.active {
    opacity: 1;
    transform: scale(1.05);
}

.step.completed {
    opacity: 0.8;
}

.step-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 3px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-primary);
    backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    position: relative;
}

.step-circle::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    padding: 3px;
    background: var(--primary-gradient);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition);
}

.step.active .step-circle {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
    transform: scale(1.1);
}

.step.active .step-circle::before {
    opacity: 1;
}

.step.completed .step-circle {
    background: var(--success-gradient);
    border-color: transparent;
}

.step-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.step.active .step-label {
    color: var(--text-primary);
}

/* Form Sections */
.form-section {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    padding: 3rem;
    margin-bottom: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 1200px;
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.form-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.form-section:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--glass-border);
    position: relative;
}

.section-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--border-radius-small);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.section-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.section-title {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.01em;
}

.section-description {
    margin: 0.5rem 0 0 0;
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

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

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

.form-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Form Groups */
.form-group {
    margin-bottom: 2rem;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.form-label.required::after {
    content: ' *';
    color: #ff6b7d;
}

.form-control {
    width: 100%;
    padding: 1.25rem 1.5rem;
    border: 2px solid var(--glass-border);
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.form-control::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--glass-border-focus);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2), var(--shadow-light);
    transform: translateY(-2px);
}

.form-control:focus::before {
    left: 100%;
}

.form-control:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.07);
}

.form-control::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* Select Styling */
.form-select {
    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='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 1rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 3.5rem;
    cursor: pointer;
}

.form-select:focus {
    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='%23667eea' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

/* Textarea */
.form-textarea {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

/* File Upload */
.file-upload {
    position: relative;
    border: 3px dashed var(--glass-border);
    border-radius: var(--border-radius-small);
    padding: 3rem 2rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
    cursor: pointer;
    overflow: hidden;
}

.file-upload::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.file-upload:hover {
    border-color: rgba(102, 126, 234, 0.6);
    background: rgba(102, 126, 234, 0.05);
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-medium);
}

.file-upload:hover::before {
    opacity: 0.05;
}

.file-upload.dragover {
    border-color: var(--glass-border-focus);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 0 40px rgba(102, 126, 234, 0.3);
}

.file-upload.dragover::before {
    opacity: 0.1;
}

.upload-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.file-upload:hover .upload-icon {
    color: #667eea;
    transform: scale(1.1) rotate(5deg);
}

.upload-text {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.upload-hint {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

.file-upload input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    top: 0;
    left: 0;
}

/* Form Actions */
.form-actions {
    text-align: center;
    padding: 3rem 0;
    margin-top: 2rem;
}

.btn-modern {
    padding: 1.25rem 3rem;
    border: none;
    border-radius: var(--border-radius-small);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 1rem;
    min-width: 180px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.btn-modern::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: var(--transition);
}

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

.btn-primary-modern {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-primary-modern:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.btn-secondary-modern {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.btn-secondary-modern:hover {
    background: var(--glass-bg-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

/* Alert Styles */
.alert-modern {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: var(--border-radius-small);
    color: #ff6b7d;
    padding: 1.5rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-modern i {
    font-size: 1.5rem;
    color: #e74c3c;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .form-container {
        padding: 1.5rem;
    }

    .form-header h1 {
        font-size: 2.8rem;
    }

    .form-section {
        padding: 2.5rem;
    }

    .form-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .form-grid-2 {
        grid-template-columns: 1fr;
    }

    .form-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .form-container {
        padding: 1rem;
    }

    .form-header h1 {
        font-size: 2.2rem;
    }

    .form-header .subtitle {
        font-size: 1.1rem;
    }

    .progress-bar {
        gap: 1rem;
    }

    .step-circle {
        width: 50px;
        height: 50px;
        font-size: 0.9rem;
    }

    .step-label {
        font-size: 0.9rem;
    }

    .form-section {
        padding: 2rem 1.5rem;
        margin-bottom: 2rem;
    }

    .section-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .section-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .file-upload {
        padding: 2.5rem 1.5rem;
    }

    .btn-modern {
        padding: 1rem 2rem;
        font-size: 1rem;
        margin: 0.5rem;
        min-width: 140px;
    }
}

@media (max-width: 480px) {
    .form-header h1 {
        font-size: 1.8rem;
    }

    .form-header .logo {
        width: 80px;
        height: 80px;
    }

    .form-header .logo i {
        font-size: 2.5rem;
    }

    .form-section {
        padding: 1.5rem 1rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .btn-modern {
        width: 100%;
        margin: 0.5rem 0;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.loading {
    animation: pulse 2s infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 4px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}

/* Focus States */
.form-control:focus + .form-label,
.form-control:not(:placeholder-shown) + .form-label {
    color: #667eea;
    transform: translateY(-2px);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.form-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.section-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.section-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a202c;
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2d3748;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    background: white;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-control:hover {
    border-color: #cbd5e0;
}

/* Select Styling */
.form-select {
    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 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 3rem;
}

/* Textarea */
.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* File Upload */
.file-upload {
    position: relative;
    border: 2px dashed #cbd5e0;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    background: #f8fafc;
    transition: var(--transition);
    cursor: pointer;
}

.file-upload:hover {
    border-color: #667eea;
    background: #f1f5f9;
}

.file-upload.dragover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    color: #a0aec0;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.file-upload:hover .upload-icon {
    color: #667eea;
    transform: scale(1.1);
}

.upload-text {
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.upload-hint {
    font-size: 0.875rem;
    color: #718096;
}

/* Grid Layout */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .form-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* Submit Button */
.form-actions {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 1rem 3rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    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: var(--transition);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

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

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.alert-danger {
    background: linear-gradient(135deg, #fed7d7, #feb2b2);
    color: #c53030;
    border: 1px solid #fbb6ce;
}

.alert-success {
    background: linear-gradient(135deg, #c6f6d5, #9ae6b4);
    color: #276749;
    border: 1px solid #68d391;
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-container {
        padding: 1rem;
    }

    .form-header h1 {
        font-size: 2rem;
    }

    .form-section {
        padding: 1.5rem;
    }

    .section-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .progress-bar {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .file-upload {
        padding: 1.5rem;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 2s infinite;
}

/* Focus States */
.form-control:focus + .form-label,
.form-control:not(:placeholder-shown) + .form-label {
    color: #667eea;
    transform: translateY(-2px);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}


/* --- Teacher Terms Page --- */
.terms-container {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 40px 0;
}

.terms-card {
    background: #fff;
    border: none;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    overflow: hidden;
    margin: 20px 0;
}

.terms-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
    position: relative;
}

.terms-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: #fff;
}

.terms-content {
    padding: 40px;
    line-height: 1.8;
}

.terms-content h5 {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 20px;
}

.terms-content ol {
    padding-left: 20px;
}

.terms-content li {
    margin-bottom: 12px;
    color: #555;
}

.terms-highlight {
    background: #f8f9ff;
    border-left: 4px solid #667eea;
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.checkbox-container {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 15px;
    padding: 25px;
    margin: 30px 0;
    text-align: center;
}

.checkbox-container .form-check-input {
    width: 20px;
    height: 20px;
    margin-right: 15px;
    border: 2px solid #667eea;
}

.checkbox-container .form-check-label {
    font-size: 1.1rem;
    font-weight: 500;
    color: #333;
    cursor: pointer;
}

.btn-accept {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border: none;
    border-radius: 25px;
    padding: 15px 40px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-accept:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

.btn-back {
    background: #6c757d;
    border: none;
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    margin-right: 15px;
}

.btn-back:hover {
    background: #5a6268;
    transform: translateY(-2px);
}