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

:root {
    --primary-blue: #002147;
    --primary-dark: #002147;
    --accent-yellow: #FFC107;
    --accent-red: #DC143C;
    --accent-purple: #7C3AED;
    --success: #10B981;
}

html.light-mode {
    --bg: #F5F7FA;
    --surface: #FFFFFF;
    --text: #1F2937;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --shadow: rgba(0, 0, 0, 0.08);
    --input-bg: #F9FAFB;
}

html.dark-mode {
    --bg: #0F172A;
    --surface: #1E293B;
    --text: #F1F5F9;
    --text-secondary: #94A3B8;
    --border: #334155;
    --shadow: rgba(0, 0, 0, 0.3);
    --input-bg: #0F172A;
}

html {
    --bg: #F5F7FA;
    --surface: #FFFFFF;
    --text: #1F2937;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --shadow: rgba(0, 0, 0, 0.08);
    --input-bg: #F9FAFB;
}

html, body {
    font-family: 'Poppins', sans-serif;
    /*height: 100%;*/
    transition: background 0.4s ease, color 0.4s ease;
}

body {
    background: linear-gradient(135deg, var(--bg) 0%, rgba(51, 102, 255, 0.03) 100%);
    background-attachment: fixed;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background Blobs */
.blob {
    position: fixed;
    border-radius: 50%;
    opacity: 0.12;
    filter: blur(80px);
    z-index: 0;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-blue);
    top: -100px;
    right: 50px;
    animation: blobMove1 15s ease-in-out infinite;
}

.blob-2 {
    width: 350px;
    height: 350px;
    background: var(--accent-purple);
    bottom: 100px;
    left: -50px;
    animation: blobMove2 18s ease-in-out infinite;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-yellow);
    top: 50%;
    left: 30%;
    animation: blobMove3 20s ease-in-out infinite;
}

@keyframes blobMove1 {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }

    33% {
        transform: translateY(-50px) translateX(30px);
    }

    66% {
        transform: translateY(50px) translateX(-30px);
    }
}

@keyframes blobMove2 {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }

    33% {
        transform: translateY(40px) translateX(-40px);
    }

    66% {
        transform: translateY(-40px) translateX(40px);
    }
}

@keyframes blobMove3 {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }

    50% {
        transform: translateY(-60px) translateX(40px);
    }
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    width: 52px;
    height: 52px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--shadow);
    animation: popIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.1);
    }

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

.theme-toggle:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 20px rgba(51, 102, 255, 0.2);
}

.theme-toggle .material-icons {
    font-size: 24px;
    color: var(--primary-blue);
    transition: transform 0.3s ease;
}

.theme-toggle:hover .material-icons {
    transform: rotate(20deg);
}

/* Main Container */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1080px;
    padding: 20px;
    animation: slideUp 0.7s ease-out;
}



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

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

/* Header Card */
.header-card {
    text-align: center;
    margin-bottom: 30px;
    animation: slideUp 0.7s ease-out 0.1s both;
}

.university-logo {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    margin: 0 auto 20px;
    box-shadow: 0 12px 30px rgba(51, 102, 255, 0.25);
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

.university-name {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.university-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 500;
}

/* Login Form Card */
.login-card {
    background: var(--surface);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px var(--shadow);
    border: 1px solid var(--border);
    animation: slideUp 0.7s ease-out 0.2s both;
    position: relative;
    overflow: hidden;
}

    .login-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--primary-blue), var(--accent-yellow), var(--accent-red), var(--primary-blue));
        background-size: 200% 100%;
        animation: gradientShift 3s ease infinite;
    }

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

    50% {
        background-position: 100% 0%;
    }

    100% {
        background-position: 0% 0%;
    }
}

.form-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideUp 0.6s ease-out 0.25s both;
    margin-top: 20px;
}

.logo-header {
    padding-bottom: 10px;
    border-bottom: 1px solid #041e4626;
}

    .form-title .material-icons {
        color: var(--primary-blue);
        font-size: 24px;
    }

/* Success Message */
.success-message {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    display: none;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    margin-bottom: 20px;
    animation: slideDown 0.4s ease;
}

    .success-message.show {
        display: flex;
    }

    .success-message .material-icons {
        font-size: 18px;
    }

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

/* Form Group */
.form-group {
    margin-bottom: 20px;
    animation: slideUp 0.6s ease-out forwards;
}

    .form-group:nth-child(2) {
        animation-delay: 0.3s;
    }

    .form-group:nth-child(3) {
        animation-delay: 0.4s;
    }

    .form-group:nth-child(4) {
        animation-delay: 0.5s;
    }

.form-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

    .input-group .material-icons {
        position: absolute;
        left: 14px;
        font-size: 20px;
        color: var(--primary-blue);
        pointer-events: none;
        transition: all 0.3s ease;
        opacity: 0.6;
    }

input, select {
    width: 100%;
    padding: 12px 14px 12px 48px;
    border: 2px solid var(--border);
    border-radius: 10px;
    /*background: var(--input-bg);*/
    color: var(--text);
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

    input:disabled {
        background: var(--input-bg) !important;
        border: 2px solid var(--border) !important;
        cursor:not-allowed !important;
    }

    select:disabled {
        background: var(--input-bg) !important;
        border: 2px solid var(--border) !important;
        cursor: not-allowed !important;
    }

    input::placeholder {
        color: var(--text-secondary);
    }

    input:focus, select:focus {
        border-color: var(--primary-blue);
        box-shadow: 0 0 0 4px rgba(51, 102, 255, 0.1);
        transform: translateY(-2px);
    }

        /*input:focus ~ .material-icons {
            color: var(--accent-red);
            transform: scale(1.2);
            opacity: 1;
        }*/

    input.error {
        border-color: var(--accent-red);
        animation: shake 0.4s ease;
    }

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

.error-text {
    color: var(--accent-red);
    font-size: 11px;
    margin-top: 6px;
    display: none;
    animation: slideDown 0.3s ease;
}

    .error-text.show {
        display: block;
    }

/* Login Options */
.login-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0 24px;
    font-size: 12px;
    animation: slideUp 0.6s ease-out 0.6s both;
}

.remember-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text);
    user-select: none;
}

    .remember-checkbox input[type="checkbox"] {
        width: 18px;
        height: 18px;
        cursor: pointer;
        accent-color: var(--primary-blue);
    }

.forgot-password {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

    .forgot-password:hover {
        color: var(--accent-red);
        text-decoration: underline;
    }

.login-button:disabled{
    cursor:not-allowed !important;
    background: #c6c6c6 !important;
}
/* Login Button */
.login-button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-top: 10px;
    animation: slideUp 0.6s ease-out 0.7s both;
    box-shadow: 0 8px 20px rgba(51, 102, 255, 0.3);
}

    .login-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(51, 102, 255, 0.4);
    }

    .login-button:active {
        transform: translateY(0);
    }

    .login-button.loading {
        opacity: 0.8;
        pointer-events: none;
    }

        .login-button.loading::after {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
        }

@keyframes spin {
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

.btn-blue {
    background: linear-gradient(135deg, #2196F3, #1565C0);
    box-shadow: 0 8px 20px rgba(33, 150, 243, 0.35);
}

    .btn-blue:hover {
        box-shadow: 0 12px 30px rgba(33, 150, 243, 0.45);
    }

.btn-green {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.35);
}

    .btn-green:hover {
        box-shadow: 0 12px 30px rgba(76, 175, 80, 0.45);
    }

.btn-red {
    background: linear-gradient(135deg, #F44336, #C62828);
    box-shadow: 0 8px 20px rgba(244, 67, 54, 0.35);
}

    .btn-red:hover {
        box-shadow: 0 12px 30px rgba(244, 67, 54, 0.45);
    }

.btn-purple {
    background: linear-gradient(135deg, #9C27B0, #6A1B9A);
    box-shadow: 0 8px 20px rgba(156, 39, 176, 0.35);
}

    .btn-purple:hover {
        box-shadow: 0 12px 30px rgba(156, 39, 176, 0.45);
    }

.btn-teal {
    background: linear-gradient(135deg, #009688, #00695C);
    box-shadow: 0 8px 20px rgba(0, 150, 136, 0.35);
}

    .btn-teal:hover {
        box-shadow: 0 12px 30px rgba(0, 150, 136, 0.45);
    }

.btn-orange {
    background: linear-gradient(135deg, #FF9800, #EF6C00);
    box-shadow: 0 8px 20px rgba(255, 152, 0, 0.35);
}

    .btn-orange:hover {
        box-shadow: 0 12px 30px rgba(255, 152, 0, 0.45);
    }

.btn-indigo {
    background: linear-gradient(135deg, #3F51B5, #283593);
    box-shadow: 0 8px 20px rgba(63, 81, 181, 0.35);
}

    .btn-indigo:hover {
        box-shadow: 0 12px 30px rgba(63, 81, 181, 0.45);
    }

.btn-gold {
    background: linear-gradient(135deg, #FFD54F, #FFB300);
    color: #333;
    box-shadow: 0 8px 20px rgba(255, 193, 7, 0.40);
}

    .btn-gold:hover {
        box-shadow: 0 12px 30px rgba(255, 193, 7, 0.55);
    }

.btn-dark {
    background: linear-gradient(135deg, #37474F, #263238);
    box-shadow: 0 8px 20px rgba(38, 50, 56, 0.35);
}

    .btn-dark:hover {
        box-shadow: 0 12px 30px rgba(38, 50, 56, 0.50);
    }
/* Info Box */
.info-box {
    background: linear-gradient(135deg, rgba(51, 102, 255, 0.08), rgba(124, 58, 237, 0.08));
    border-left: 4px solid var(--primary-blue);
    padding: 12px 14px;
    border-radius: 8px;
    margin-top: 18px;
    font-size: 11px;
    color: #041e46;
    display: flex;
    gap: 10px;
    animation: slideUp 0.6s ease-out 0.8s both;
}

    .info-box .material-icons {
        font-size: 16px;
        color: var(--primary-blue);
        flex-shrink: 0;
    }

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    animation: slideUp 0.6s ease-out 0.9s both;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 8px;
}

.contact-link {
    display: inline-block;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 12px;
    transition: all 0.3s ease;
    position: relative;
}

    .contact-link::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent-red);
        transition: width 0.3s ease;
    }

    .contact-link:hover {
        color: var(--accent-red);
    }

        .contact-link:hover::after {
            width: 100%;
        }

/* Responsive Design */
@media (max-width: 768px) {
    .login-container {
        max-width: 100%;
    }

    .login-card {
        padding: 32px;
    }

    .university-name {
        font-size: 24px;
    }

    .university-logo {
        width: 90px;
        height: 90px;
        font-size: 44px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 15px;
    }

    .login-card {
        padding: 24px;
        border-radius: 14px;
    }

    .university-name {
        font-size: 22px;
    }

    .university-logo {
        width: 80px;
        height: 80px;
        font-size: 40px;
        margin-bottom: 16px;
    }

    .form-title {
        font-size: 16px;
        margin-bottom: 20px;
    }

    input, select {
        font-size: 16px;
        padding: 11px 12px 11px 44px;
    }

    .input-group .material-icons {
        font-size: 18px;
        left: 12px;
    }

    .login-options {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .forgot-password {
        width: 100%;
        text-align: left;
    }

    .theme-toggle {
        width: 48px;
        height: 48px;
    }

        .theme-toggle .material-icons {
            font-size: 20px;
        }
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    width: 100%;
}

/* Tablet */
@media (max-width: 992px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Mobile */
@media (max-width: 576px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

.form-group {
    width: 100%;
}


.img-fluid {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    object-fit: contain !important;
}

.text-danger {
    color: #9e1830 !important;
}

.exam-card {
    background: #fff;
    border-left: 4px solid #003DA5;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,.1);
}

.countdown {
    margin-top: 10px;
    font-weight: 600;
    color: #d32f2f;
    font-size: 15px;
}

.extension-message {
    margin-top: 10px;
    padding: 12px;
    background: #e8f5e9;
    border-left: 4px solid #28a745;
    color: #2e7d32;
    font-weight: 600;
    border-radius: 4px;
}



/* ==========================================
   MATERIAL ALERTS
   ========================================== */

.alert {
    position: relative;
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    border-left: 5px solid;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.6;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
    transition: all .3s ease;
}

/* Primary */
.alert-primary {
    background: #E3F2FD;
    color: #0D47A1;
    border-left-color: #1976D2;
}

/* Success */
.alert-success {
    background: #E8F5E9;
    color: #1B5E20;
    border-left-color: #43A047;
}

/* Danger */
.alert-danger {
    background: #FFEBEE;
    color: #B71C1C;
    border-left-color: #E53935;
}

/* Warning */
.alert-warning {
    background: #FFF8E1;
    color: #E65100;
    border-left-color: #FFB300;
}

/* Info */
.alert-info {
    background: #E0F7FA;
    color: #006064;
    border-left-color: #00ACC1;
}

/* Navy Theme */
.alert-navy {
    background: #E8EEFF;
    color: #002147;
    border-left-color: #002147;
}

/* Purple */
.alert-purple {
    background: #F3E5F5;
    color: #4A148C;
    border-left-color: #7B1FA2;
}

/* Hover Effect */
.alert:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0,0,0,.12);
}

/* ==========================================
   DARK MODE
   ========================================== */

.dark-mode .alert,
.dark-theme .alert {
    background: #1E1E1E;
    color: #FFFFFF;
    box-shadow: 0 2px 10px rgba(0,0,0,.4);
}

.dark-mode .alert-primary,
.dark-theme .alert-primary {
    border-left-color: #42A5F5;
}

.dark-mode .alert-success,
.dark-theme .alert-success {
    border-left-color: #66BB6A;
}

.dark-mode .alert-danger,
.dark-theme .alert-danger {
    border-left-color: #EF5350;
}

.dark-mode .alert-warning,
.dark-theme .alert-warning {
    border-left-color: #FFCA28;
}

.dark-mode .alert-info,
.dark-theme .alert-info {
    border-left-color: #26C6DA;
}

.dark-mode .alert-navy,
.dark-theme .alert-navy {
    border-left-color: #2962FF;
}

/* Alert Icon */
.alert .material-icons {
    vertical-align: middle;
    margin-right: 8px;
    font-size: 20px;
}