/* ============================================================================
   NetDash Suite – Centralized Theme System
   3 Themes: light, dark, midnight
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── Smooth Theme Transitions ─────────────────────────────────────────────── */
html[data-theme] *,
html[data-theme] *::before,
html[data-theme] *::after {
    transition: background-color 0.3s ease, color 0.2s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ── Light Theme ──────────────────────────────────────────────────────────── */
[data-theme="light"] {
    --nd-border-radius:  1rem;
    --nd-glass-blur:     12px;
    --nd-bg-primary:     #f0f2f5;
    --nd-bg-secondary:   #ffffff;
    --nd-bg-tertiary:    #f7f8fa;
    --nd-header-bg:      #ffffff;
    --nd-card-bg:        #ffffff;
    --nd-input-bg:       #ffffff;
    --nd-modal-bg:       #ffffff;

    --nd-text-primary:   #1a1a2e;
    --nd-text-secondary: #4a5568;
    --nd-text-muted:     #a0aec0;

    --nd-border:         #e2e8f0;
    --nd-border-light:   #edf2f7;

    --nd-accent:         #10b981;
    --nd-accent-hover:   #059669;
    --nd-accent-soft:    rgba(16, 185, 129, 0.1);
    --nd-accent-glow:    rgba(16, 185, 129, 0.15);

    --nd-overlay:        rgba(0, 0, 0, 0.4);
    --nd-shadow:         0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --nd-shadow-lg:      0 4px 14px rgba(0, 0, 0, 0.08);

    --nd-success:        #10b981;
    --nd-warning:        #f59e0b;
    --nd-error:          #ef4444;
    --nd-info:           #3b82f6;

    color-scheme: light;
}

/* ── Dark Theme (Soft Dark – aufgehellt) ──────────────────────────────────── */
[data-theme="dark"] {
    --nd-border-radius:  1rem;
    --nd-glass-blur:     12px;
    --nd-bg-primary:     #131a2b;
    --nd-bg-secondary:   #1c2640;
    --nd-bg-tertiary:    #243052;
    --nd-header-bg:      rgba(28, 38, 64, 0.85);
    --nd-card-bg:        rgba(28, 38, 64, 0.6);
    --nd-input-bg:       rgba(0, 0, 0, 0.2);
    --nd-modal-bg:       #1c2640;

    --nd-text-primary:   #e2e8f0;
    --nd-text-secondary: #94a3b8;
    --nd-text-muted:     #64748b;

    --nd-border:         rgba(255, 255, 255, 0.08);
    --nd-border-light:   rgba(255, 255, 255, 0.04);

    --nd-accent:         #10b981;
    --nd-accent-hover:   #34d399;
    --nd-accent-soft:    rgba(16, 185, 129, 0.15);
    --nd-accent-glow:    rgba(16, 185, 129, 0.2);

    --nd-overlay:        rgba(0, 0, 0, 0.6);
    --nd-shadow:         0 1px 3px rgba(0, 0, 0, 0.3);
    --nd-shadow-lg:      0 4px 20px rgba(0, 0, 0, 0.4);

    --nd-success:        #34d399;
    --nd-warning:        #fbbf24;
    --nd-error:          #f87171;
    --nd-info:           #60a5fa;

    color-scheme: dark;
}

/* ── Midnight Theme (Original deep dark) ──────────────────────────────────── */
[data-theme="midnight"] {
    --nd-border-radius:  1rem;
    --nd-glass-blur:     12px;
    --nd-bg-primary:     #0a0e1a;
    --nd-bg-secondary:   #111827;
    --nd-bg-tertiary:    #1e293b;
    --nd-header-bg:      rgba(17, 24, 39, 0.85);
    --nd-card-bg:        rgba(30, 41, 59, 0.5);
    --nd-input-bg:       rgba(0, 0, 0, 0.3);
    --nd-modal-bg:       #111827;

    --nd-text-primary:   #f1f5f9;
    --nd-text-secondary: #94a3b8;
    --nd-text-muted:     #475569;

    --nd-border:         rgba(255, 255, 255, 0.06);
    --nd-border-light:   rgba(255, 255, 255, 0.03);

    --nd-accent:         #10b981;
    --nd-accent-hover:   #34d399;
    --nd-accent-soft:    rgba(16, 185, 129, 0.12);
    --nd-accent-glow:    rgba(16, 185, 129, 0.25);

    --nd-overlay:        rgba(0, 0, 0, 0.75);
    --nd-shadow:         0 1px 3px rgba(0, 0, 0, 0.5);
    --nd-shadow-lg:      0 4px 20px rgba(0, 0, 0, 0.6);

    --nd-success:        #34d399;
    --nd-warning:        #fbbf24;
    --nd-error:          #f87171;
    --nd-info:           #60a5fa;

    color-scheme: dark;
}

/* ── Base Styles ──────────────────────────────────────────────────────────── */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background-color: var(--nd-bg-primary);
    color: var(--nd-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    padding-bottom: max(3rem, env(safe-area-inset-bottom, 3rem));
}

/* ── Utility Mappings (Global Theme Helpers) ──────────────────────────────── */
.text-primary { color: var(--nd-text-primary) !important; }
.text-secondary { color: var(--nd-text-secondary) !important; }
.text-muted { color: var(--nd-text-muted) !important; }
.text-accent { color: var(--nd-accent) !important; }
.placeholder-muted::placeholder { color: var(--nd-text-muted) !important; }
.bg-surface { background: color-mix(in srgb, var(--nd-bg-secondary) 75%, transparent) !important; }
.bg-surface-strong { background: color-mix(in srgb, var(--nd-bg-secondary) 85%, transparent) !important; }
.bg-input { background: var(--nd-input-bg) !important; }
.bg-accent { background: var(--nd-accent) !important; }
.bg-accent-soft { background: var(--nd-accent-soft) !important; }
.bg-accent\/10 { background: color-mix(in srgb, var(--nd-accent) 10%, transparent) !important; }
.bg-accent\/20 { background: color-mix(in srgb, var(--nd-accent) 20%, transparent) !important; }
.bg-accent\/30 { background: color-mix(in srgb, var(--nd-accent) 30%, transparent) !important; }
.bg-accent\/40 { background: color-mix(in srgb, var(--nd-accent) 40%, transparent) !important; }
.hover\:bg-accent\/20:hover { background: color-mix(in srgb, var(--nd-accent) 20%, transparent) !important; }
.hover\:bg-accent\/30:hover { background: color-mix(in srgb, var(--nd-accent) 30%, transparent) !important; }
.hover\:bg-accent\/40:hover { background: color-mix(in srgb, var(--nd-accent) 40%, transparent) !important; }
.file\:bg-accent\/20::file-selector-button { background: color-mix(in srgb, var(--nd-accent) 20%, transparent) !important; }
.file\:text-accent::file-selector-button { color: var(--nd-accent) !important; }
.border-soft { border-color: var(--nd-border) !important; }
.border-accent-soft { border-color: var(--nd-accent-soft) !important; }
.shadow-surface { box-shadow: var(--nd-shadow-lg) !important; }

/* ── Input Normalization (match nd-input) ─────────────────────────────────── */
input[class*="bg-input"],
select[class*="bg-input"],
textarea[class*="bg-input"] {
    background: var(--nd-input-bg) !important;
    border: 1px solid var(--nd-border) !important;
    color: var(--nd-text-primary) !important;
}

input[class*="bg-input"]::placeholder,
textarea[class*="bg-input"]::placeholder {
    color: var(--nd-text-muted) !important;
}

/* ── NetDash Header ───────────────────────────────────────────────────────── */
.nd-header {
    background: var(--nd-header-bg);
    border-bottom: 1px solid var(--nd-border);
    backdrop-filter: blur(var(--nd-glass-blur));
    -webkit-backdrop-filter: blur(var(--nd-glass-blur));
    position: sticky;
    top: 0;
    z-index: 40;
}

.nd-header-inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nd-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
}

.nd-header-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 1px solid;
    flex-shrink: 0;
}

.nd-header-title {
    font-size: 1.25rem;
    font-weight: 900;
    font-style: italic;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    color: var(--nd-text-primary);
    line-height: 1.1;
}

.nd-header-subtitle {
    font-size: 0.8125rem;
    color: var(--nd-text-muted);
    font-weight: 500;
}

.nd-header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.nd-header-action {
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    background: var(--nd-accent-soft);
    color: var(--nd-accent);
    border: 1px solid transparent;
}

.nd-header-action:hover {
    background: var(--nd-accent);
    color: white;
}

.nd-launcher-link {
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--nd-text-secondary);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nd-launcher-link:hover {
    color: var(--nd-text-primary);
}

/* ── Theme Switcher ───────────────────────────────────────────────────────── */
.nd-theme-switcher {
    position: relative;
    display: inline-flex;
}

.nd-theme-btn {
    min-width: 6rem;
    height: 2.25rem;
    border-radius: 0.625rem;
    background: var(--nd-input-bg);
    border: 1px solid var(--nd-border);
    color: var(--nd-text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.75rem;
    transition: all 0.2s ease;
}

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

.nd-theme-btn-label {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.nd-theme-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--nd-modal-bg);
    border: 1px solid var(--nd-border);
    border-radius: 0.75rem;
    box-shadow: var(--nd-shadow-lg);
    padding: 0.375rem;
    min-width: 10rem;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: all 0.2s ease;
}

.nd-theme-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nd-theme-option {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    width: 100%;
    background: none;
    border: none;
    color: var(--nd-text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}

.nd-theme-option:hover {
    background: var(--nd-accent-soft);
    color: var(--nd-text-primary);
}

.nd-theme-option.active {
    color: var(--nd-accent);
    font-weight: 600;
}

/* ── Common Card Styles ───────────────────────────────────────────────────── */
.nd-card {
    background: var(--nd-card-bg);
    border: 1px solid var(--nd-border);
    border-radius: var(--nd-border-radius);
    padding: 1.5rem;
    box-shadow: var(--nd-shadow), 0 12px 30px var(--nd-accent-glow);
    transition: all 0.3s ease;
}

.nd-card:hover {
    box-shadow: var(--nd-shadow-lg), 0 16px 40px var(--nd-accent-glow);
    border-color: var(--nd-accent-soft);
}

.nd-card p {
    color: var(--nd-text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.nd-card .muted-text, .nd-card .sub-text, .nd-card small {
    color: var(--nd-text-muted) !important;
}

.nd-card h4, .nd-card h3 {
    color: var(--nd-text-primary);
    font-weight: 700;
}

/* ── Form Elements ────────────────────────────────────────────────────────── */
.nd-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--nd-input-bg);
    border: 1px solid var(--nd-border);
    border-radius: 0.75rem;
    color: var(--nd-text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.nd-input:focus {
    outline: none;
    border-color: var(--nd-accent);
    box-shadow: 0 0 0 3px var(--nd-accent-soft);
}

.nd-input::placeholder {
    color: var(--nd-text-muted);
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.nd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.nd-btn-primary {
    background: linear-gradient(135deg, var(--nd-accent), var(--nd-accent-hover));
    color: white;
    box-shadow: 0 2px 8px var(--nd-accent-glow);
}

.nd-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--nd-accent-glow);
}

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

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

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

.nd-btn-danger:hover {
    background: var(--nd-error);
    color: white;
}

/* ── Modal ────────────────────────────────────────────────────────────────── */
.nd-modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--nd-overlay);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.nd-modal {
    background: var(--nd-modal-bg);
    border: 1px solid var(--nd-border);
    border-radius: 1.25rem;
    box-shadow: var(--nd-shadow-lg);
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

/* ── Message/Alert Boxes ──────────────────────────────────────────────────── */
.nd-alert {
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.nd-alert-success {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--nd-success);
}

.nd-alert-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--nd-error);
}

.nd-alert-warning {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--nd-warning);
}

.nd-alert-info {
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--nd-info);
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .nd-header-inner {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
        align-items: center;
    }

    .nd-header-left {
        flex: 1 1 100%;
        min-width: 0;
        margin-bottom: 0.4rem;
    }

    .nd-header-right {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .nd-header-icon {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.25rem;
        border-radius: 0.625rem;
    }

    .nd-header-title {
        font-size: 1.05rem;
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
        max-width: none;
        word-break: break-word;
        line-height: 1.15;
    }

    .nd-header-subtitle {
        display: none;
    }

    .nd-header-action {
        padding: 0.375rem 0.625rem;
        font-size: 0.72rem;
    }

    .nd-launcher-link {
        order: 3;
        margin-left: auto;
        white-space: nowrap;
    }

    .nd-theme-switcher {
        order: 1;
    }

    .nd-header-action {
        order: 2;
    }
}

/* ── Scrollbar Styling ────────────────────────────────────────────────────── */
.nd-scrollbar::-webkit-scrollbar {
    width: 5px;
}

.nd-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.nd-scrollbar::-webkit-scrollbar-thumb {
    background: var(--nd-border);
    border-radius: 4px;
}

.nd-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--nd-text-muted);
}

/* ── Animations ───────────────────────────────────────────────────────────── */
@keyframes nd-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes nd-slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes nd-pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 var(--nd-accent-glow); }
    50%      { box-shadow: 0 0 20px 4px var(--nd-accent-glow); }
}

.nd-fade-in {
    animation: nd-fadeIn 0.4s ease-out;
}