/* Settings Page Styles - Modern Lexo Theme */

:root {
    /* Premium Dark Theme */
    --background: hsl(230, 25%, 9%);
    --foreground: hsl(0, 0%, 98%);
    --card-bg: hsl(230, 20%, 13%);
    --sidebar-bg: hsl(230, 20%, 11%);
    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(230, 10%, 70%);
    --text-muted: hsl(230, 10%, 55%);
    --border: hsl(230, 15%, 22%);
    --accent: hsl(217, 91%, 60%);
    --accent-hover: hsl(217, 85%, 52%);
    --bg-hover: hsla(217, 91%, 60%, 0.12);
    --accent-glow: hsla(217, 91%, 60%, 0.3);
    --success: hsl(152, 69%, 45%);
    --danger: hsl(0, 72%, 51%);
}

[data-theme='light'] {
    --background: hsl(240, 20%, 97%);
    --foreground: hsl(230, 25%, 12%);
    --card-bg: hsl(0, 0%, 100%);
    --sidebar-bg: hsl(220, 14%, 96%);
    --text-primary: hsl(230, 25%, 12%);
    --text-secondary: hsl(230, 15%, 40%);
    --text-muted: hsl(230, 10%, 50%);
    --border: hsl(230, 15%, 88%);
    --bg-hover: hsla(239, 84%, 60%, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--card-bg);
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(12px);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    transition: all 0.2s;
}

.back-btn:hover {
    background: var(--bg-hover);
    color: var(--accent);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.logo-suffix {
    color: var(--accent);
}

/* Container */
.settings-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.settings-content {
    display: flex;
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Sidebar */
.settings-sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    padding: 1.5rem 0;
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    font-family: inherit;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--bg-hover);
    color: var(--accent);
}

.nav-item svg {
    flex-shrink: 0;
}

/* Main Content */
.settings-main {
    flex: 1;
    padding: 2.5rem;
    overflow-y: auto;
    max-width: 800px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.settings-section {
    display: none;
}

.settings-section.active {
    display: block;
}

/* Cards */
.settings-card {
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 1.25rem;
    overflow: hidden;
    transition: all 0.3s;
}

.settings-card:hover {
    box-shadow: 0 4px 20px hsla(0, 0%, 0%, 0.1);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 1.5rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.2s;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px hsla(239, 84%, 67%, 0.15);
}

.input-readonly {
    cursor: not-allowed;
    opacity: 0.7;
}

.hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    line-height: 1.5;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-danger {
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--background);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.btn-danger {
    background: hsla(0, 72%, 51%, 0.1);
    color: var(--danger);
    border: 1px solid hsla(0, 72%, 51%, 0.3);
}

.btn-danger:hover {
    background: hsla(0, 72%, 51%, 0.2);
}

/* Plan Badge */
.plan-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.badge-free {
    background: hsla(230, 10%, 55%, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.badge-pro {
    background: hsla(217, 91%, 60%, 0.15);
    color: hsl(217, 91%, 75%);
    border: 1px solid hsla(217, 91%, 60%, 0.3);
    box-shadow: 0 0 12px hsla(217, 91%, 60%, 0.2);
}

.plan-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Usage */
.usage-info {
    margin-bottom: 1rem;
}

#usage-text {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--background);
    border-radius: 50px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 50px;
    transition: width 0.3s;
}

/* Preferences */
.preference-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.preference-row label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.theme-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.theme-toggle-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

/* Language Select */
.language-select {
    padding: 0.625rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    min-width: 140px;
}

.language-select:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.language-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px hsla(239, 84%, 67%, 0.15);
}

/* Support Links */
.support-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 0;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    border-bottom: 1px solid transparent;
}

.support-link:hover {
    color: var(--accent-hover);
    padding-left: 0.5rem;
}

.support-link:not(:last-child) {
    border-bottom-color: var(--border);
}

/* Danger Zone */
.danger-zone {
    border-color: hsla(0, 72%, 51%, 0.3);
}

.danger-zone .card-header {
    border-bottom-color: hsla(0, 72%, 51%, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .settings-content {
        flex-direction: column;
    }

    .settings-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 1rem 0;
    }

    .settings-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 0 1rem;
        gap: 0.5rem;
    }

    .nav-item {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .settings-main {
        padding: 1.5rem 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .settings-header {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.5rem;
    }

    .card-body {
        padding: 1.25rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.settings-section.active {
    animation: fadeIn 0.3s ease-out;
}

[data-theme='light'] {
    --background: hsl(0, 0%, 98%);
    --foreground: hsl(230, 25%, 9%);
    --card-bg: hsl(0, 0%, 100%);
    --text-primary: hsl(230, 25%, 9%);
    --text-secondary: hsl(230, 15%, 40%);
    --text-muted: hsl(230, 10%, 60%);
    --accent: hsl(217, 91%, 60%);
    --accent-dark: hsl(217, 85%, 52%);
    --border: hsl(230, 15%, 90%);
    --danger: hsl(0, 72%, 51%);
}