/* =============================================================
   DiscordBot Design System — based on NPay's Ghost-inspired
   minimal aesthetic, retuned with a Discord blurple accent.
   ============================================================= */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --color-bg:          #ffffff;
    --color-surface:     #f9fafb;
    --color-border:      #e5e7eb;
    --color-border-dark: #d1d5db;

    --color-text-primary:   #111827;
    --color-text-secondary: #6b7280;
    --color-text-muted:     #9ca3af;

    --color-accent:       #5865F2; /* Discord blurple */
    --color-accent-hover: #4752c4;
    --color-accent-light: #eef0fe;
    --color-accent-border:#d6dafe;

    --color-success:      #059669;
    --color-success-bg:   #ecfdf5;
    --color-danger:       #dc2626;
    --color-danger-bg:    #fef2f2;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    --text-xs:   0.75rem;
    --text-sm:   0.875rem;
    --text-base: 1rem;
    --text-lg:   1.125rem;
    --text-xl:   1.25rem;
    --text-2xl:  1.5rem;
    --text-3xl:  1.875rem;

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,.08);

    --transition: 150ms ease;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-2) 0;
}

p {
    margin: 0 0 var(--space-4) 0;
    color: var(--color-text-secondary);
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

button {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    transition: background var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
    background: transparent;
    color: var(--color-text-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

    button:disabled {
        opacity: 0.45;
        cursor: not-allowed;
    }

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

    .btn-primary:hover:not(:disabled) {
        background: var(--color-accent-hover);
        border-color: var(--color-accent-hover);
        color: #fff;
    }

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: var(--color-border-dark);
}

    .btn-ghost:hover:not(:disabled) {
        background: var(--color-surface);
        color: var(--color-text-primary);
    }

/* ── Page shell ── */
.bot-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
}

.bot-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 56px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: saturate(180%) blur(8px);
    -webkit-backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--space-8);
    gap: var(--space-8);
}

.bot-topbar-brand {
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

    .bot-topbar-brand:hover {
        text-decoration: none;
        color: var(--color-accent);
    }

.bot-topbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex: 1;
}

.bot-nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: background var(--transition), color var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

    .bot-nav-link:hover {
        background: var(--color-surface);
        color: var(--color-text-primary);
        text-decoration: none;
    }

    .bot-nav-link.active {
        color: var(--color-accent);
        background: var(--color-accent-light);
    }

    .bot-nav-link .material-symbols-outlined {
        font-size: 18px;
    }

.bot-topbar-end {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-left: auto;
    flex-shrink: 0;
}

.bot-main {
    flex: 1;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-10) var(--space-8);
}

.page-header {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-1) 0;
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.access-denied {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-3);
    padding: var(--space-12) var(--space-4);
}

.access-denied-icon {
    font-size: 64px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.access-denied .page-title {
    margin: 0;
}

.access-denied .page-subtitle {
    max-width: 480px;
    margin: 0 0 var(--space-4) 0;
}

#blazor-error-ui {
    color-scheme: light only;
    background: #fef9c3;
    bottom: 0;
    left: 0;
    right: 0;
    position: fixed;
    padding: var(--space-3) var(--space-5);
    display: none;
    font-size: var(--text-sm);
    border-top: 1px solid #fde68a;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        float: right;
    }

@media (max-width: 640px) {
    .bot-topbar {
        padding: 0 var(--space-4);
        gap: var(--space-3);
        height: 52px;
    }

    .bot-topbar-nav {
        gap: 0;
    }

    .bot-nav-link {
        padding: var(--space-2);
        gap: 0;
    }

    .bot-nav-link span:not(.material-symbols-outlined) {
        display: none;
    }

    .bot-main {
        padding: var(--space-5) var(--space-4);
    }

    .page-header {
        margin-bottom: var(--space-5);
        padding-bottom: var(--space-4);
    }

    .page-title {
        font-size: var(--text-xl);
    }
}