/* Root Variables */
:root {
    --primary-purple: #8b5cf6;
    --primary-purple-light: #a78bfa;
    --primary-purple-dark: #7c3aed;

    /* Light Mode Colors */
    --light-bg: #f8f9fa;
    --light-card-bg: #ffffff;
    --light-text: #1f2937;
    --light-text-secondary: #6b7280;
    --light-border: #e5e7eb;

    /* Dark Mode Colors */
    --dark-bg: #0f0f23;
    --dark-bg-secondary: #1a1a2e;
    --dark-card-bg: #16213e;
    --dark-card-bg-light: #1f2937;
    --dark-text: #ffffff;
    --dark-text-secondary: #9ca3af;
    --dark-border: #2d3748;

    /* Common Colors */
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
}

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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    background-color: var(--light-bg);
    color: var(--light-text);
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

/* Auth Wrapper */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* Background Decoration */
.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.auth-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(
        135deg,
        var(--primary-purple) 0%,
        var(--primary-purple-dark) 100%
    );
    opacity: 0.1;
    filter: blur(60px);
}

.auth-circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
}

.auth-circle-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
}

.auth-circle-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Auth Container */
.auth-container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    background: var(--light-card-bg);
    border-radius: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

body.dark-mode .auth-container {
    background: var(--dark-card-bg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Auth Branding */
.auth-branding {
    flex: 1;
    background: linear-gradient(
        135deg,
        var(--primary-purple) 0%,
        var(--primary-purple-dark) 100%
    );
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
    /* justify-content: center; */
    position: relative;
    overflow: hidden;
}

.auth-branding::before {
    content: "";
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -100px;
    left: -100px;
}

.auth-branding::after {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    bottom: -80px;
    right: -80px;
}

.auth-branding-content {
    position: relative;
    z-index: 1;
}

.auth-logo {
    display: inline-block;
    margin-bottom: 40px;
}

.auth-logo img {
    height: 50px;
    filter: brightness(0) invert(1);
}

.auth-branding-title {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
    line-height: 1.2;
}

.auth-branding-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    line-height: 1.6;
}

/* Auth Features */
.auth-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.auth-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.auth-feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
}

.auth-feature h4 {
    font-size: 18px;
    font-weight: 600;
    color: white;
    margin: 0 0 4px 0;
}

.auth-feature p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* Auth Form Section */
.auth-form-section {
    flex: 1;
    padding: 60px 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.auth-form-container {
    width: 100%;
    max-width: 480px;
}

/* Theme Toggle */
.theme-toggle-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--light-bg);
    border: 2px solid var(--light-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 20px;
    color: var(--light-text);
}

body.dark-mode .theme-toggle-btn {
    background: var(--dark-card-bg-light);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

.theme-toggle-btn:hover {
    background: var(--primary-purple);
    border-color: var(--primary-purple);
    color: white;
    transform: rotate(15deg);
}

/* Auth Form Content */
.auth-form-content {
    width: 100%;
}

.auth-form-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-form-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 12px;
}

body.dark-mode .auth-form-title {
    color: var(--dark-text);
}

.auth-form-subtitle {
    font-size: 15px;
    color: var(--light-text-secondary);
    margin: 0;
}

body.dark-mode .auth-form-subtitle {
    color: var(--dark-text-secondary);
}

/* Form Elements */
.auth-form-group {
    margin-bottom: 24px;
}

.auth-form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--light-text);
    margin-bottom: 8px;
}

body.dark-mode .auth-form-label {
    color: var(--dark-text);
}

.auth-form-input,
.auth-form-input.form-control,
.auth-form-select,
.auth-form-select.form-select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--light-border);
    border-radius: 12px;
    background: var(--light-card-bg);
    color: var(--light-text);
    font-size: 15px;
    transition: all 0.3s ease;
}

body.dark-mode .auth-form-input,
body.dark-mode .auth-form-input.form-control,
body.dark-mode .auth-form-select,
body.dark-mode .auth-form-select.form-select {
    border-color: var(--dark-border);
    background: var(--dark-card-bg-light);
    color: var(--dark-text);
}

.auth-form-input:focus,
.auth-form-input.form-control:focus,
.auth-form-select:focus,
.auth-form-select.form-select:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

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

body.dark-mode .auth-form-input::placeholder {
    color: var(--dark-text-secondary);
}

/* Password Input Wrapper */
.password-input-wrapper {
    position: relative;
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--light-text-secondary);
    font-size: 18px;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

body.dark-mode .password-toggle-btn {
    color: var(--dark-text-secondary);
}

.password-toggle-btn:hover {
    color: var(--primary-purple);
    background: rgba(139, 92, 246, 0.1);
}

/* Password Strength Meter */
.password-strength-meter {
    margin-top: 12px;
}

.password-strength-bars {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.password-strength-bar {
    flex: 1;
    height: 4px;
    background: var(--light-border);
    border-radius: 2px;
    transition: all 0.3s ease;
}

body.dark-mode .password-strength-bar {
    background: var(--dark-border);
}

.password-strength-bar.active {
    background: var(--success);
}

.password-strength-hint {
    font-size: 13px;
    color: var(--light-text-secondary);
}

body.dark-mode .password-strength-hint {
    color: var(--dark-text-secondary);
}

/* Checkbox */
.auth-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    border: 2px solid var(--light-border);
    border-radius: 6px;
    cursor: pointer;
}

body.dark-mode .auth-checkbox input[type="checkbox"] {
    border-color: var(--dark-border);
}

.auth-checkbox label {
    font-size: 14px;
    color: var(--light-text);
    cursor: pointer;
    margin: 0;
}

body.dark-mode .auth-checkbox label {
    color: var(--dark-text);
}

/* Buttons */
.auth-btn {
    width: 100%;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.auth-btn-primary {
    background: linear-gradient(
        135deg,
        var(--primary-purple) 0%,
        var(--primary-purple-dark) 100%
    );
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.auth-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

.auth-btn-secondary {
    background: var(--light-bg);
    color: var(--light-text);
    border: 2px solid var(--light-border);
}

body.dark-mode .auth-btn-secondary {
    background: var(--dark-card-bg-light);
    color: var(--dark-text);
    border-color: var(--dark-border);
}

.auth-btn-secondary:hover {
    border-color: var(--primary-purple);
    color: var(--primary-purple);
}

.auth-btn-google {
    background: white;
    color: var(--light-text);
    border: 2px solid var(--light-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

body.dark-mode .auth-btn-google {
    background: var(--dark-card-bg-light);
    color: var(--dark-text);
    border-color: var(--dark-border);
}

.auth-btn-google:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.auth-btn-google img {
    width: 20px;
    height: 20px;
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 32px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--light-border);
}

body.dark-mode .auth-divider::before,
body.dark-mode .auth-divider::after {
    background: var(--dark-border);
}

.auth-divider span {
    font-size: 14px;
    color: var(--light-text-secondary);
    font-weight: 500;
}

body.dark-mode .auth-divider span {
    color: var(--dark-text-secondary);
}

/* Links */
.auth-link {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.auth-link:hover {
    color: var(--primary-purple-dark);
    text-decoration: underline;
}

.auth-text-center {
    text-align: center;
    font-size: 14px;
    color: var(--light-text-secondary);
    margin-top: 24px;
}

body.dark-mode .auth-text-center {
    color: var(--dark-text-secondary);
}

/* Alerts */
.auth-alert {
    padding: 14px 16px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 14px;
}

.auth-alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.auth-alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.auth-alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Error Messages */
.auth-error {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--danger);
}

/* Loading Spinner */
.auth-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .auth-branding {
        display: none;
    }

    .auth-container {
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .auth-wrapper {
        padding: 16px;
    }

    .auth-container {
        border-radius: 24px;
    }

    .auth-form-section {
        padding: 40px 24px;
    }

    .theme-toggle-btn {
        top: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    .auth-form-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .auth-form-section {
        padding: 32px 20px;
    }

    .auth-form-title {
        font-size: 24px;
    }
}