* {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background */
.animated-bg {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Glassmorphism effect */
.glass {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Enhanced button styles */
.btn-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    transform: translateY(0);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-gradient: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;
}

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

/* ID Card specific styles */
.id-card-container {
    width: 2.1in;
    height: 3.4in;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0.35rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
}

.id-card-container img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Enhanced input styles */
.input-enhanced {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid transparent;
    border-radius: 12px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.input-enhanced:focus {
    background: rgba(255, 255, 255, 1);
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

/* File upload styling */
.file-upload-btn {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.file-upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.file-upload-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;
}

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

/* Tricolor divider */
.tricolor-divider {
    display: flex;
    width: 100%;
    height: 3px;
    margin: 0.3rem 0;
    border-radius: 2px;
    overflow: hidden;
}
.tricolor-divider > div {
    flex: 1;
    height: 100%;
}
.saffron { background: linear-gradient(135deg, #FF9933, #ff7675); }
.white { background: linear-gradient(135deg, #FFFFFF, #f1f2f6); }
.green { background: linear-gradient(135deg, #138808, #00b894); }

/* Student photo container */
.student-photo-container {
    width: 0.8in;
    height: 0.8in;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Principal signature area */
.principal-signature-area {
    text-align: center;
    line-height: 1;
    margin-top: 0.2rem;
}
.principal-signature-area img {
    height: 0.35in;
    width: auto;
    max-width: 0.8in;
    object-fit: contain;
    display: inline-block;
    vertical-align: bottom;
    margin-bottom: 0.1rem;
}

/* Floating animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

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

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

/* Modal styles */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    text-align: center;
    font-family: 'Inter', sans-serif;
    border: 1px solid rgba(255, 255, 255, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal.success {
    border-left: 4px solid #00b894;
    color: #00b894;
}

.modal.error {
    border-left: 4px solid #e17055;
    color: #e17055;
}

.modal.info {
    border-left: 4px solid #0984e3;
    color: #0984e3;
}

/* Section animations */
.section-enter {
    opacity: 0;
    transform: translateY(30px);
    animation: sectionEnter 0.6s ease forwards;
}

@keyframes sectionEnter {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Card hover effects */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* Progress indicator */
.progress-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 1000;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1);
    width: 0%;
    transition: width 0.3s ease;
}

/* Responsive adjustments for PDF export */
@media print {
    body {
        background: white !important;
    }
    .animated-bg {
        background: white !important;
    }
}

/* Enhanced tooltips */
.tooltip {
    position: relative;
}

.tooltip:hover:after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
    opacity: 0;
    animation: tooltipShow 0.3s ease forwards;
}

@keyframes tooltipShow {
    to { opacity: 1; }
}

/* Custom radio button styles */
.radio-label {
    display: inline-block;
    cursor: pointer;
    position: relative;
}

.radio-input {
    display: none; /* Hide the default radio button */
}

.radio-custom {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.3);
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.radio-input:checked + .radio-custom {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.radio-label:hover .radio-custom {
    background: rgba(255, 255, 255, 0.5);
}