@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;800&display=swap');

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #7c3aed;
    --accent: #0ea5e9;
    --light: #f8fafc;
    --dark: #1e293b;
    --success: #10b981;
    --error: #ef4444;
    --gray: #64748b;
    --gray-light: #e2e8f0;
}

* {
    font-family: 'Tajawal', sans-serif;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    min-height: 100vh;
    transition: all 0.3s ease;
    position: relative;
    overflow-x: hidden;
}

body.dark-mode {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
}

/* Enhanced Shimmer Effect */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.15),
        transparent
    );
    animation: shimmer 4s infinite;
    z-index: 1;
    pointer-events: none;
}

body.dark-mode::before {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.05),
        transparent
    );
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Welcome Notification */
.welcome-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: slideInRight 0.5s ease-out;
    max-width: 300px;
}

.notification-content {
    position: relative;
}

.notification-content h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.notification-content p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.close-btn {
    position: absolute;
    top: -5px;
    left: -5px;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.close-btn:hover {
    opacity: 1;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Fixed Theme Toggle */
.theme-toggle-fixed {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.theme-toggle-fixed:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.theme-icon {
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    width: 100%;
    padding: 1.5rem;
    color: white;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
}

.header h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.header p {
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

/* Container */
.container {
    max-width: 100%;
    padding: 1rem;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
        padding: 1.5rem;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
        padding: 2rem;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
        padding: 2.5rem;
    }
}

/* Card */
.card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

body.dark-mode .card {
    background: #334155;
    color: white;
}

.form-title {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dark);
    font-size: 1.5rem;
    font-weight: 700;
}

body.dark-mode .form-title {
    color: white;
}

/* Grid Layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
}

/* Form Groups with Animation */
.form-group {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }
.form-group:nth-child(6) { animation-delay: 0.6s; }
.form-group:nth-child(7) { animation-delay: 0.7s; }
.form-group:nth-child(8) { animation-delay: 0.8s; }

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

body.dark-mode .form-label {
    color: white;
}

.required {
    color: var(--error);
    font-weight: bold;
    margin-right: 0.25rem;
}

.optional {
    color: var(--gray);
    font-weight: normal;
    font-size: 0.85rem;
    margin-right: 0.25rem;
}

.icon {
    color: var(--primary);
    margin-left: 0.5rem;
}

body.dark-mode .icon {
    color: var(--accent);
}

/* Form Inputs with Enhanced Animation */
.form-input, .form-select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    font-family: 'Tajawal', sans-serif;
    position: relative;
}

body.dark-mode .form-input,
body.dark-mode .form-select {
    background: #475569;
    border-color: #64748b;
    color: white;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
    animation: pulseBorder 0.8s infinite alternate;
}

.form-input:hover,
.form-select:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
}

@keyframes pulseBorder {
    from { box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }
    to { box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.2); }
}



/* Checkbox */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    flex-shrink: 0;
}

.checkbox.checked {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
}

.checkbox.checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Upload Area with Enhanced Animation */
.upload-area {
    border: 2px dashed var(--gray-light);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafafa;
    position: relative;
    overflow: hidden;
}

body.dark-mode .upload-area {
    background: #475569;
    border-color: #64748b;
    color: white;
}

.upload-area:hover {
    border-color: var(--primary);
    background: #f1f5f9;
    transform: translateY(-2px);
}

body.dark-mode .upload-area:hover {
    background: #5a6b7d;
}

.upload-icon {
    color: var(--gray);
    margin-bottom: 0.5rem;
    animation: floatUpDown 2s ease-in-out infinite;
}

@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.upload-info {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

.file-name {
    margin-top: 0.5rem;
    color: var(--success);
    font-weight: 600;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    padding: 1.25rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    font-family: 'Tajawal', sans-serif;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

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

.submit-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;
}

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

/* Error Messages */
.error {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: 0.25rem;
    display: none;
}

.input-error {
    border-color: var(--error) !important;
    animation: shake 0.5s ease-in-out;
}

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

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 2rem;
}

.footer-content h3 {
    margin: 0 0 1rem 0;
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-content p {
    margin: 0.5rem 0;
    opacity: 0.9;
    font-size: 1rem;
}

/* Floating Elements */
.floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-element {
    position: absolute;
    font-size: 1.5rem;
    opacity: 0.1;
    animation: float 15s infinite linear;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    top: 40%;
    left: 20%;
    animation-delay: 4s;
}

.floating-element:nth-child(4) {
    top: 80%;
    left: 70%;
    animation-delay: 6s;
}

.floating-element:nth-child(5) {
    top: 30%;
    left: 90%;
    animation-delay: 8s;
}

.floating-element:nth-child(6) {
    top: 70%;
    left: 15%;
    animation-delay: 10s;
}

.floating-element:nth-child(7) {
    top: 50%;
    left: 85%;
    animation-delay: 12s;
}

.floating-element:nth-child(8) {
    top: 10%;
    left: 60%;
    animation-delay: 14s;
}

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

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

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 767px) {
    .header {
        padding: 1rem;
    }
    
    .header h1 {
        font-size: 1.4rem;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    .theme-toggle-fixed {
        width: 40px;
        height: 40px;
        top: 15px;
        left: 15px;
    }
    
    .theme-icon {
        font-size: 1rem;
    }
    
    .welcome-notification {
        top: 15px;
        right: 15px;
        max-width: 250px;
        padding: 0.8rem 1.2rem;
    }
    
    .notification-content h3 {
        font-size: 1rem;
    }
    
    .notification-content p {
        font-size: 0.8rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .form-title {
        font-size: 1.2rem;
    }
    
    .form-input, .form-select {
        padding: 0.9rem;
        font-size: 0.95rem;
    }
    
    .submit-btn {
        padding: 1.1rem;
        font-size: 1rem;
    }
    
    .footer {
        padding: 1.5rem 1rem;
    }
    
    .footer-content h3 {
        font-size: 1.1rem;
    }
    
    .footer-content p {
        font-size: 0.9rem;
    }
}







@keyframes particleFloat {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-50px) scale(0);
    }
}