/* Google Fonts - Bengali Font */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Bengali:wght@300;400;500;600;700;800;900&display=swap');

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans Bengali', sans-serif;
    overflow-x: hidden;
    background: #f9fafb;
}

 /* For all modern browsers */
  div.dataTables_wrapper {
    scrollbar-width: thin;               /* Firefox */
    scrollbar-color: #4ade80 #f0f0f0;    /* thumb and track color */
  }

  /* Dashboard card */
.top-card {
    background: #2A7B9B;
    background: linear-gradient(90deg, rgba(42, 123, 155, 1) 0%, rgba(87, 199, 133, 1) 50%, rgba(237, 221, 83, 1) 100%);
}
table thead tr {
    color: #fff !important;
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
    background: #2A7B9B;
    background: linear-gradient(90deg, rgba(42, 123, 155, 1) 0%, rgba(87, 199, 133, 1) 50%, rgba(237, 221, 83, 1) 100%);
}

table tbody tr td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}


  /* For WebKit browsers (Chrome, Edge, Safari) */
  div.dataTables_wrapper::-webkit-scrollbar {
    height: 8px; /* height for horizontal scroll */
  }

  div.dataTables_wrapper::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 8px;
  }

  div.dataTables_wrapper::-webkit-scrollbar-thumb {
    background-color: #4ade80; /* lime-500 */
    border-radius: 8px;
  }

  div.dataTables_wrapper::-webkit-scrollbar-thumb:hover {
    background-color: #22c55e; /* lime-600 */
  }

/* Header Styles */
.glass-nav {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.glass-nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(25px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Hero Section */
.hero-bg {
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.85)),
        radial-gradient(ellipse at top, rgba(99, 102, 241, 0.3), transparent 70%),
        radial-gradient(ellipse at bottom right, rgba(236, 72, 153, 0.3), transparent 70%),
        url('../banner.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.4), transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.4), transparent 50%);
    animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* Statistics Cards */
.stats-card {

    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #10b981, #f59e0b, #ef4444);
}

.stats-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stats-card-custom {
    padding: 1rem !important;
    border: 1px solid #e5e9e6 !important;
}

/* News Cards */
.news-card {

    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #3b82f6;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Form Inputs */
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;

    font-family: 'Noto Sans Bengali', sans-serif;
}

.form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Alumni Cards */
.alumni-card {
    border-radius: 15px;
    padding: 0.8rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.custom-card {
    font-size: 0.75rem !important;
    line-height: 1rem !important;
    .flex {
        margin-top: 0.25rem !important;
    }
}

.alumni-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Schedule & Timeline */
.schedule-item {

    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    border-left: 4px solid #8b5cf6;
    transition: all 0.3s ease;
}

.schedule-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #8b5cf6;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 2rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2rem;
}

.timeline-dot {
    position: absolute;
    right: -8px;
    top: 1rem;
    width: 16px;
    height: 16px;
    background: #8b5cf6;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 2px 10px rgba(139, 92, 246, 0.3);
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
    right: auto;
}

/* Contact Cards */
.contact-card {
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 24px;
    color: white;
}

/* Financial Section Specific Styles */
.financial-summary-card {

    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.financial-summary-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.expense-breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #f3f4f6;
    transition: all 0.3s ease;
}

.expense-breakdown-item:hover {
    background: #f9fafb;
    padding-left: 1rem;
    padding-right: 1rem;
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 8px;
}

.expense-breakdown-item:last-child {
    border-bottom: none;
}

.progress-bar {
    width: 200px;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* .committee-member-card {
    display: flex;
    align-items: center;
    space-x: 12px;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
} */


.committee-member-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.committee-member-card:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.member-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    flex-shrink: 0;
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    border: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #3b82f6;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    border: 2px solid #3b82f6;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 3rem !important;
        padding-right: 0 !important;
    }

    .timeline-dot {
        left: 12px !important;
        right: auto !important;
    }
}

@media (max-width: 768px) {
    .stats-card {
        padding: 1.5rem 1rem;
    }

    .news-card,
    .alumni-card {
        padding: 1.25rem;
    }

    .schedule-item {
        padding: 1.25rem;
    }

    .contact-card {
        padding: 1.5rem;
    }

    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

@media (max-width: 640px) {
    .hero-bg h1 {
        font-size: 3rem !important;
    }

    .timeline-item {
        padding-left: 2.5rem !important;
    }

    .form-input {
        padding: 10px 14px;
        font-size: 14px;
    }

    .committee-member-card {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

    .member-avatar {
        margin-bottom: 8px;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #8b5cf6);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2563eb, #7c3aed);
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* In your style.css or main.css file */
/* .text-gradient {
    background-image: linear-gradient(to right, #a78bfa, #818cf8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
} */

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.shadow-glow {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

/* Print Styles */
@media print {
    .fixed {
        position: static !important;
    }

    .hero-bg {
        background: #1e293b !important;
        color: white !important;
    }

    .shadow-lg,
    .shadow-xl {
        box-shadow: none !important;
    }
}

/* Enhanced Stats Card */
.stats-card {
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border-radius: 24px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow:
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.stats-card:hover::before {
    left: 100%;
}

.stats-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow:
        0 32px 64px -12px rgba(0, 0, 0, 0.25),
        0 20px 25px -5px rgba(0, 0, 0, 0.1);
}


/* Enhanced News Card */
.news-card {
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border-radius: 20px;
    padding: 2rem;
    box-shadow:
        0 10px 30px -5px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.8);
    cursor: pointer;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.news-card:hover::before {
    left: 100%;
}

.news-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.news-card:hover .fa-arrow-right {
    animation: bounce 0.6s ease infinite alternate;
}

@keyframes bounce {
    from {
        transform: translateX(0px);
    }

    to {
        transform: translateX(4px);
    }
}

/* T-shirt size radio buttons */
input[type="radio"]:checked+span {
    background: #3b82f6;
    color: white;
    border-radius: 8px;
    padding: 4px 8px;
}

input[type="radio"]:checked~* {
    border-color: #3b82f6;
    background: #eff6ff;
}

/* Registration type radio buttons */
input[name="registration_type"]:checked~div {
    background: #eff6ff;
}

input[name="registration_type"]:checked~div span {
    color: #1d4ed8;
}

/* Ultra Enhanced Financial Cards */
.financial-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    border-radius: 32px;
    padding: 3rem 2.5rem;
    text-align: center;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.15),
        0 10px 20px -5px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

/* Animated border gradient */
.financial-card::before {
    content: '';
    position: absolute;
    inset: -3px;
    padding: 3px;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    border-radius: inherit;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
    animation: borderRotate 3s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.financial-card:hover::before {
    opacity: 1;
}

@keyframes borderRotate {
    0% {
        background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    }

    25% {
        background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    }

    50% {
        background: linear-gradient(225deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    }

    75% {
        background: linear-gradient(315deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    }

    100% {
        background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    }
}

/* Shimmer effect */
.financial-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transition: left 0.8s ease;
}

.financial-card:hover::after {
    left: 100%;
}

/* Card hover states */
.financial-card:hover {
    transform: translateY(-20px) scale(1.08) rotateX(5deg);
    box-shadow:
        0 40px 80px -20px rgba(0, 0, 0, 0.25),
        0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

/* Specific card color themes */
.income-card:hover {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 50%, #ecfdf5 100%);
    border-color: #10b981;
    box-shadow:
        0 40px 80px -20px rgba(16, 185, 129, 0.3),
        0 20px 40px -10px rgba(16, 185, 129, 0.2);
}

.expense-card:hover {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 50%, #fef2f2 100%);
    border-color: #ef4444;
    box-shadow:
        0 40px 80px -20px rgba(239, 68, 68, 0.3),
        0 20px 40px -10px rgba(239, 68, 68, 0.2);
}

.surplus-card:hover {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 50%, #eff6ff 100%);
    border-color: #3b82f6;
    box-shadow:
        0 40px 80px -20px rgba(59, 130, 246, 0.3),
        0 20px 40px -10px rgba(59, 130, 246, 0.2);
}

/* Enhanced counter styling */
.counter {
    font-variant-numeric: tabular-nums;
    transition: all 0.5s ease;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.financial-card:hover .counter {
    transform: scale(1.15);
    filter: drop-shadow(0 0 10px currentColor);
}

/* Progress circle animations */
.income-circle {
    animation: drawIncomeCircle 3s ease-out forwards;
}

.expense-circle {
    animation: drawExpenseCircle 3s ease-out 0.5s forwards;
}

.surplus-circle {
    animation: drawSurplusCircle 3s ease-out 1s forwards;
}

@keyframes drawIncomeCircle {
    from {
        stroke-dasharray: 0, 100;
    }

    to {
        stroke-dasharray: 85, 100;
    }
}

@keyframes drawExpenseCircle {
    from {
        stroke-dasharray: 0, 100;
    }

    to {
        stroke-dasharray: 72, 100;
    }
}

@keyframes drawSurplusCircle {
    from {
        stroke-dasharray: 0, 100;
    }

    to {
        stroke-dasharray: 35, 100;
    }
}

/* Floating elements animation */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    25% {
        transform: translateY(-10px) rotate(90deg);
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
    }

    75% {
        transform: translateY(-10px) rotate(270deg);
    }
}

.financial-card:hover .floating-element {
    animation: float 2s ease-in-out infinite;
}

/* Number pulse effect */
@keyframes numberPulse {

    0%,
    100% {
        transform: scale(1);
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    }

    50% {
        transform: scale(1.1);
        text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.2);
    }
}

.financial-card:hover .counter {
    animation: numberPulse 1.5s ease-in-out infinite;
}

/* Card entrance animation */
@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(50px) rotateX(-10deg);
    }

    to {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
    }
}

.financial-card {
    animation: cardEntrance 0.8s ease-out forwards;
}

.financial-card:nth-child(2) {
    animation-delay: 0.2s;
}

.financial-card:nth-child(3) {
    animation-delay: 0.4s;
}

/* Advanced ripple animation */
@keyframes advancedRipple {
    0% {
        transform: scale(0);
        opacity: 1;
    }

    50% {
        transform: scale(0.5);
        opacity: 0.8;
    }

    100% {
        transform: scale(1);
        opacity: 0;
    }
}

/* Confetti animation */
@keyframes confettiFall {
    to {
        transform: translate(calc(-50% + var(--random-x)), 100px) rotate(var(--random-rotation));
        opacity: 0;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .financial-card {
        padding: 2rem 1.5rem;
    }

    .counter {
        font-size: 3rem !important;
    }

    .financial-card:hover {
        transform: translateY(-10px) scale(1.05);
    }

    #scrollTopBtn {
        transition: opacity 0.3s;
    }

    .opacity-0 {
        opacity: 0;
    }

    .opacity-100 {
        opacity: 1;
    }

    .pointer-events-none {
        pointer-events: none;
    }

}