/* ========================================
   Login Page - Premium Design
   ======================================== */

:root {
    /* Alfa Beta Brand Colors - matching Flutter App */
    --alfa-blue: #1E40AF;
    --alfa-blue-dark: #1E3A8A;
    --alfa-blue-light: #3B82F6;
    --alfa-blue-lighter: #7DD3FC;

    --alfa-green: #4D9D0E;
    --alfa-orange: #FF8C00;

    /* Primary colors */
    --primary-soft: #3B82F6;
    --primary-light: #60A5FA;
    --primary-dark: #1E40AF;

    /* Background gradient - matching Flutter app */
    --bg-gradient-start: #FFFFFF;
    --bg-gradient-mid: #A5D8FF;
    --bg-gradient-end: #339AF0;

    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-light: #95a5a6;

    --border-color: #e8ecef;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

    --transition-speed: 0.3s;
}

/* ========================================
   Global Styles
   ======================================== */

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   Login Container
   ======================================== */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-mid) 50%, var(--bg-gradient-end) 100%);
    position: relative;
    overflow: hidden;
}

/* Animated Background Elements */
.login-wrapper::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.login-wrapper::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {

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

    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

/* ========================================
   Login Card
   ======================================== */

.login-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 450px;
    padding: 1.5rem;
}

.login-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 2rem 2rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.5);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* ========================================
   Logo Section
   ======================================== */

.login-logo {
    text-align: center;
    margin-bottom: 1rem;
}

.login-logo img {
    width: 280px;
    height: 160px;
    object-fit: contain;
    margin-bottom: 1rem;
    animation: fadeIn 0.8s ease-out;
    transition: opacity 0.2s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ========================================
   Form Styles
   ======================================== */

.login-form {
    margin-top: 1rem;
}

.form-group {
    margin-bottom: 1rem;
    position: relative;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: color var(--transition-speed) ease;
}

.form-input-wrapper {
    position: relative;
}

.form-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.1rem;
    transition: color var(--transition-speed) ease;
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.95rem;
    color: var(--text-primary);
    background-color: #ffffff;
    transition: all var(--transition-speed) ease;
    outline: none;
}

.form-input::placeholder {
    color: var(--text-light);
}

.form-input:focus {
    border-color: var(--primary-soft);
    /* Removed box-shadow to make autofocus less prominent */
}

.form-input:focus+.form-input-icon {
    color: var(--primary-dark);
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.25rem;
    transition: color var(--transition-speed) ease;
}

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

/* ========================================
   Form Options
   ======================================== */

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

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

.remember-me label {
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.forgot-password {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    position: relative;
}

.forgot-password::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-soft), var(--accent-soft));
    transition: width var(--transition-speed) ease;
}

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

.forgot-password:hover::after {
    width: 100%;
}

/* ========================================
   Login Button
   ======================================== */

.btn-login {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.5);
}

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

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

/* ========================================
   Divider
   ======================================== */

.login-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
    font-size: 0.875rem;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.login-divider span {
    padding: 0 1rem;
}

/* ========================================
   Footer
   ======================================== */

.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-footer a {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed) ease;
}

.login-footer a:hover {
    color: var(--primary-soft);
}

/* ========================================
   Alert Messages
   ======================================== */

.alert {
    padding: 0.875rem 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideDown 0.4s ease-out;
}

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

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

.alert-error {
    background-color: #ffd4d4;
    color: #c0392b;
    border-left: 4px solid #e74c3c;
}

.alert-success {
    background-color: #d4f4dd;
    color: #1e8449;
    border-left: 4px solid #27ae60;
}

.alert-info {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-left: 4px solid var(--primary-soft);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 576px) {
    .login-container {
        padding: 1rem;
    }

    .login-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }

    .login-logo img {
        max-width: 150px;
    }

    .login-title {
        font-size: 1.5rem;
    }

    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

/* ========================================
   Loading State
   ======================================== */

.btn-login.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   Accessibility
   ======================================== */

.form-input:focus-visible,
.btn-login:focus-visible,
.forgot-password:focus-visible {
    outline: 2px solid var(--primary-soft);
    outline-offset: 2px;
}

/* ========================================
   Dark Mode Support (Optional)
   ======================================== */
/*
@media (prefers-color-scheme: dark) {
    .login-card {
        background: #ffffff;
        color: var(--text-primary);
    }

    .login-title {
        color: #ffffff;
    }

    .login-subtitle {
        color: #bdc3c7;
    }

    .form-label {
        color: #ecf0f1;
    }

    .form-input {
        background-color: rgba(255, 255, 255, 0.05);
        color: #ffffff;
        border-color: rgba(255, 255, 255, 0.1);
    }

    .form-input::placeholder {
        color: #7f8c8d;
    }
}
*/
/* ========================================
   Radio Button Group (for Register Page)
   ======================================== */

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    background-color: #ffffff;
}

.radio-option:hover {
    border-color: var(--primary-soft);
    background-color: var(--primary-light);
}

.radio-option input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-dark);
}

.radio-option label {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    margin: 0;
}

.radio-option:has(input[type="radio"]:checked) {
    border-color: var(--primary-dark);
    background-color: var(--primary-light);
}

.radio-option:has(input[type="radio"]:focus-visible) {
    outline: 2px solid var(--primary-soft);
    outline-offset: 2px;
}

/* ========================================
   Sliding Pill Toggle School Selector
   ======================================== */

.school-toggle-wrapper {
    position: relative;
    display: flex;
    gap: 0;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border-radius: 50px;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.08);
}

.school-toggle-wrapper input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.school-toggle-btn {
    flex: 1;
    padding: 0.7rem 1.5rem;
    text-align: center;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    background: transparent;
    border-radius: 50px;
    cursor: pointer;
    transition: color 0.3s ease;
    user-select: none;
    position: relative;
    z-index: 2;
    margin: 0;
}

/* Sliding Pill */
.school-toggle-pill {
    position: absolute;
    top: 4px;
    left: 4px;
    width: calc(50% - 4px);
    height: calc(100% - 8px);
    background: linear-gradient(135deg, #60A5FA, #3B82F6);
    border-radius: 50px;
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

/* First radio (Alfa) checked - Pill on left (light blue) */
.school-toggle-wrapper input[type="radio"]:first-of-type:checked~.school-toggle-pill {
    left: 4px;
    background: linear-gradient(135deg, #60A5FA, #3B82F6);
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

/* Second radio (Beta) checked - Pill slides right (dark blue) */
.school-toggle-wrapper input[type="radio"]:nth-of-type(2):checked~.school-toggle-pill {
    left: calc(50%);
    background: linear-gradient(135deg, #2563EB, #1E40AF);
    box-shadow: 0 4px 8px rgba(30, 64, 175, 0.4);
}

/* Text color when selected */
.school-toggle-wrapper input[type="radio"]:checked+.school-toggle-btn {
    color: #ffffff;
    font-weight: 600;
}

.school-toggle-wrapper input[type="radio"]:focus-visible+.school-toggle-btn {
    outline: 2px solid var(--alfa-blue);
    outline-offset: 2px;
    border-radius: 50px;
}

/* Responsive */
@media (max-width: 576px) {
    .school-toggle-btn {
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
    }
}


.school-cards-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.school-card {
    position: relative;
    cursor: pointer;
    border-radius: 12px;
    overflow: hidden;
}

.school-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.school-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: #ffffff;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all var(--transition-speed) ease;
    position: relative;
}

.school-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    transition: all var(--transition-speed) ease;
}

.school-card[data-school="Alfa"] .school-icon {
    background: linear-gradient(135deg, #E0F2FE, #BAE6FD);
    color: var(--alfa-blue);
}

.school-card[data-school="Beta"] .school-icon {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    color: var(--alfa-orange);
}

.school-info {
    text-align: center;
    flex: 1;
}

.school-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.school-badge {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    background-color: #f0f4f8;
    display: inline-block;
    margin-top: 0.25rem;
}

.school-check {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    font-size: 1.25rem;
    color: #4D9D0E;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.school-card:hover .school-card-content {
    border-color: #3B82F6;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.15);
    transform: translateY(-4px);
}

.school-card:hover .school-icon {
    transform: scale(1.1);
}

.school-card input[type="radio"]:checked~.school-card-content {
    border-color: #1E40AF;
    border-width: 3px;
    background: linear-gradient(to bottom, rgba(224, 242, 254, 0.3), #ffffff);
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.2);
}

.school-card input[type="radio"]:checked~.school-card-content .school-check {
    opacity: 1;
    transform: scale(1);
}

.school-card input[type="radio"]:checked~.school-card-content .school-icon {
    transform: scale(1.15);
}

.school-card input[type="radio"]:checked~.school-card-content .school-name {
    color: #1E40AF;
}

.school-card input[type="radio"]:focus-visible~.school-card-content {
    outline: 2px solid #3B82F6;
    outline-offset: 2px;
}

@media (max-width: 576px) {
    .school-cards-wrapper {
        grid-template-columns: 1fr;
    }

    .school-card-content {
        flex-direction: row;
        text-align: left;
        padding: 1rem;
    }

    .school-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin-bottom: 0;
        margin-right: 1rem;
    }

    .school-info {
        text-align: left;
    }
}