:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --secondary-color: #7C3AED;
    --success-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --info-color: #3B82F6;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    padding: 10px 0;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 70%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    bottom: 10%;
    left: 30%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 40%;
    right: 30%;
    animation-delay: 6s;
}

.shape-5 {
    width: 40px;
    height: 40px;
    top: 60%;
    left: 60%;
    animation-delay: 8s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    33% {
        transform: translateY(-100px) rotate(120deg);
        opacity: 0.7;
    }
    66% {
        transform: translateY(100px) rotate(240deg);
        opacity: 0.7;
    }
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    box-sizing: border-box;
}

/* Login Box */
.login-box {
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    display: flex;
    min-height: 600px;
    overflow: hidden;
    animation: slideIn 0.5s ease-out;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

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

/* Login Left Side */
.login-left {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.login-left::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: rotate(45deg);
}

.school-icon {
    font-size: 80px;
    margin-bottom: 30px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.login-left h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
}

.login-left p {
    font-size: 16px;
    text-align: center;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 300px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.feature i {
    font-size: 24px;
}

.feature span {
    font-size: 14px;
}

/* Login Right Side */
.login-right {
    flex: 1;
    padding: 60px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-container {
    width: 100%;
    max-width: 400px;
}

.form-container h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

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

.input-group i {
    position: absolute;
    left: 15px;
    color: var(--text-secondary);
    font-size: 16px;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 12px 50px 12px 45px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: var(--bg-white);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.password-toggle-btn {
    position: absolute;
    right: 35px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
    border-radius: 50%;
    z-index: 2;
}

.password-toggle-btn:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 10px 0;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}

.remember-me input {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.forgot-password {
    font-size: 14px;
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: var(--primary-dark);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Admin Info */
.admin-info {
    margin-top: 25px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.admin-info .info-text {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

.admin-info .info-text i {
    color: var(--info-color);
    font-size: 16px;
    flex-shrink: 0;
}

/* Message Box */
.message-box {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 20px;
    display: none;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-box.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.message-box.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.message-box.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
    border: 1px solid var(--info-color);
}

/* Responsive Design */
@media (max-width: 968px) {
    body {
        padding: 15px 0;
        align-items: flex-start;
        min-height: 100vh;
    }

    .container {
        padding: 15px;
        min-height: 100vh;
        display: flex;
        align-items: center;
    }

    .login-box {
        flex-direction: column;
        max-width: 500px;
        margin: 0 auto;
        min-height: auto;
        width: 100%;
    }

    .login-left {
        padding: 40px 30px;
        min-height: auto;
    }

    .school-icon {
        font-size: 60px;
    }

    .login-left h2 {
        font-size: 24px;
    }

    .features {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }

    .feature {
        flex: 1;
        min-width: 140px;
        padding: 10px;
        justify-content: center;
    }

    .feature span {
        font-size: 12px;
    }

    .login-right {
        padding: 40px 30px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px 0;
        overflow-y: auto;
    }

    .container {
        padding: 10px;
        min-height: auto;
    }

    .login-box {
        margin: 20px auto;
    }
}

@media (max-width: 480px) {
    body {
        padding: 5px 0;
        align-items: flex-start;
    }

    .container {
        padding: 5px;
        min-height: auto;
    }

    .login-box {
        border-radius: 15px;
        margin: 10px auto;
        min-height: auto;
    }

    .login-left {
        padding: 25px 15px;
    }

    .login-left h2 {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .login-left p {
        font-size: 14px;
        margin-bottom: 25px;
    }

    .school-icon {
        font-size: 50px;
        margin-bottom: 20px;
    }

    .features {
        gap: 8px;
    }

    .feature {
        min-width: 120px;
        padding: 8px;
    }

    .feature span {
        font-size: 11px;
    }

    .login-right {
        padding: 25px 15px;
    }

    .form-container h1 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .subtitle {
        font-size: 14px;
        margin-bottom: 25px;
    }

    .form-group {
        gap: 6px;
    }

    .form-group label {
        font-size: 13px;
    }

    .input-group input,
    .input-group select {
        padding: 10px 45px 10px 40px;
        font-size: 14px;
    }

    .input-group i {
        left: 12px;
        font-size: 14px;
    }

    .password-toggle-btn {
        right: 30px;
    }

    .form-options {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
        margin: 8px 0;
    }

    .remember-me {
        font-size: 13px;
    }

    .forgot-password {
        font-size: 13px;
    }

    .btn {
        font-size: 14px;
        padding: 10px 18px;
    }

    .admin-info {
        padding: 12px;
        font-size: 13px;
    }

    .message-box {
        font-size: 13px;
        padding: 10px 14px;
    }
}

@media (max-width: 360px) {
    .container {
        padding: 2px;
    }

    .login-box {
        border-radius: 10px;
        margin: 5px auto;
    }

    .login-left {
        padding: 20px 10px;
    }

    .login-right {
        padding: 20px 10px;
    }

    .form-container h1 {
        font-size: 20px;
    }

    .school-icon {
        font-size: 45px;
        margin-bottom: 15px;
    }

    .login-left h2 {
        font-size: 18px;
    }

    .features {
        flex-direction: column;
        gap: 5px;
    }

    .feature {
        min-width: auto;
        width: 100%;
    }
}

@media (max-height: 700px) and (max-width: 768px) {
    body {
        align-items: flex-start;
        padding: 5px 0;
    }

    .container {
        min-height: auto;
    }

    .login-box {
        margin: 10px auto;
    }

    .login-left {
        padding: 20px;
    }

    .login-right {
        padding: 20px;
    }
}