/* Login Page Styles */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 40px;
    background: linear-gradient(135deg, #0d0d0d 0%, #1a1a2e 50%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 206, 201, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.login-box {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(108, 92, 231, 0.1);
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

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

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'EnglishRegular', sans-serif;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Tab Buttons */
.tab-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 5px;
}

.tab-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'EnglishRegular', sans-serif;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

/* Forms */
.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: var(--gradient-1);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: 'EnglishRegular', sans-serif;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(108, 92, 231, 0.4);
}

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

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -10px;
    margin-top: -10px;
}

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

.btn-text.hidden {
    opacity: 0;
}

.btn-loader.hidden {
    display: none;
}

.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.form-footer a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.forgot-password {
    font-size: 0.9rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.toast.hidden {
    display: none;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    border-radius: 12px;
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    font-size: 0.95rem;
}

.toast.success .toast-content {
    border-color: rgba(0, 206, 201, 0.3);
    background: rgba(0, 206, 201, 0.1);
}

.toast.error .toast-content {
    border-color: rgba(255, 71, 87, 0.3);
    background: rgba(255, 71, 87, 0.1);
}

.toast.success #toastIcon::before {
    content: '✓';
    color: #00cec9;
    font-weight: bold;
}

.toast.error #toastIcon::before {
    content: '✕';
    color: #ff4757;
    font-weight: bold;
}

/* Responsive */
@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }

    .login-header h1 {
        font-size: 1.5rem;
    }

    .tab-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }

    .form-group input {
        padding: 12px 14px;
    }

    .submit-btn {
        padding: 14px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .login-box,
    .auth-form.active,
    .toast {
        animation: none;
    }

    .tab-btn,
    .form-group input,
    .submit-btn {
        transition: none;
    }
}