/* ============================================================================
   POTDIV Portal — Shared Design System
   Single source of truth for colors, typography, spacing, and components.
   ============================================================================ */

/* --- Brand Palette --- */
:root {
    /* Backgrounds */
    --pd-bg:            #050712;
    --pd-bg-elevated:   #0c101f;
    --pd-bg-soft:       #101628;
    --pd-bg-card:       rgba(7, 10, 24, 0.96);
    --pd-bg-input:      #050816;
    --pd-bg-overlay:    rgba(0, 0, 0, 0.8);

    /* Accent — primary purple */
    --pd-accent:        #6c5ce7;
    --pd-accent-soft:   rgba(108, 92, 231, 0.15);
    --pd-accent-strong: #a29bff;
    --pd-accent-hover:  #7c6cf0;
    --pd-accent-glow:   rgba(79, 70, 229, 0.6);

    /* Semantic */
    --pd-success:       #22c55e;
    --pd-success-soft:  rgba(34, 197, 94, 0.12);
    --pd-danger:        #ff4d6a;
    --pd-danger-soft:   rgba(255, 77, 106, 0.12);
    --pd-warning:       #fbbf24;
    --pd-warning-soft:  rgba(251, 191, 36, 0.12);
    --pd-cyan:          #67e8f9;
    --pd-cyan-soft:     rgba(103, 232, 249, 0.12);

    /* Text */
    --pd-text:          #f5f7ff;
    --pd-text-muted:    #9ca3c7;
    --pd-text-faint:    rgba(156, 163, 199, 0.5);

    /* Borders */
    --pd-border:        rgba(255, 255, 255, 0.08);
    --pd-border-accent: rgba(129, 140, 248, 0.4);

    /* Shadows */
    --pd-shadow:        0 18px 45px rgba(0, 0, 0, 0.5);
    --pd-shadow-lg:     0 22px 55px rgba(0, 0, 0, 0.65);
    --pd-shadow-accent: 0 14px 35px rgba(79, 70, 229, 0.6);

    /* Radii */
    --pd-radius-sm:     8px;
    --pd-radius-md:     12px;
    --pd-radius-lg:     18px;
    --pd-radius-xl:     24px;
    --pd-radius-full:   999px;

    /* Spacing scale */
    --pd-space-xs:      4px;
    --pd-space-sm:      8px;
    --pd-space-md:      14px;
    --pd-space-lg:      20px;
    --pd-space-xl:      28px;

    /* Transitions */
    --pd-ease:          0.15s ease;
    --pd-ease-slow:     0.3s ease;
}

/* --- Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Typography --- */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "Segoe UI", sans-serif;
    color: var(--pd-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

.pd-heading-xl  { font-size: 28px; font-weight: 700; letter-spacing: -0.01em; }
.pd-heading-lg  { font-size: 22px; font-weight: 600; }
.pd-heading-md  { font-size: 17px; font-weight: 600; }
.pd-heading-sm  { font-size: 14px; font-weight: 600; }
.pd-body         { font-size: 14px; font-weight: 400; }
.pd-body-sm      { font-size: 13px; font-weight: 400; }
.pd-caption      { font-size: 11px; font-weight: 500; letter-spacing: 0.04em; }
.pd-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--pd-text-muted);
}

/* --- Buttons --- */
.pd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: var(--pd-radius-full);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: transform var(--pd-ease), box-shadow var(--pd-ease),
                filter var(--pd-ease), background var(--pd-ease);
    line-height: 1;
    font-family: inherit;
}

.pd-btn:active { transform: scale(0.98); }

.pd-btn-primary {
    padding: 10px 22px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #f9fafb;
    box-shadow: var(--pd-shadow-accent);
}

.pd-btn-primary:hover {
    filter: brightness(1.08);
    box-shadow: 0 18px 40px rgba(79, 70, 229, 0.75);
}

.pd-btn-secondary {
    padding: 8px 18px;
    background: var(--pd-bg-soft);
    color: var(--pd-text);
    border: 1px solid var(--pd-border);
}

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

.pd-btn-ghost {
    padding: 6px 14px;
    background: transparent;
    color: var(--pd-text-muted);
}

.pd-btn-ghost:hover {
    color: var(--pd-text);
    background: rgba(255, 255, 255, 0.04);
}

.pd-btn-danger {
    padding: 8px 18px;
    background: var(--pd-danger-soft);
    color: var(--pd-danger);
    border: 1px solid rgba(255, 77, 106, 0.3);
}

.pd-btn-danger:hover {
    background: rgba(255, 77, 106, 0.2);
    border-color: rgba(255, 77, 106, 0.5);
}

.pd-btn-sm { padding: 6px 14px; font-size: 12px; }
.pd-btn-lg { padding: 14px 32px; font-size: 16px; font-weight: 600; }

/* --- Inputs --- */
.pd-input,
.pd-select,
.pd-textarea {
    width: 100%;
    border-radius: var(--pd-radius-md);
    border: 1px solid var(--pd-border);
    background: var(--pd-bg-input);
    color: var(--pd-text);
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--pd-ease), box-shadow var(--pd-ease),
                background var(--pd-ease);
}

.pd-input:focus,
.pd-select:focus,
.pd-textarea:focus {
    border-color: rgba(129, 140, 248, 0.9);
    box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.5);
    background: #020412;
}

.pd-textarea {
    resize: vertical;
    min-height: 80px;
}

.pd-input-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--pd-text-muted);
    margin-bottom: 4px;
}

/* --- Cards --- */
.pd-card {
    background: var(--pd-bg-soft);
    border-radius: var(--pd-radius-lg);
    border: 1px solid var(--pd-border);
    padding: var(--pd-space-md);
}

.pd-card-elevated {
    background: var(--pd-bg-card);
    border-radius: var(--pd-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--pd-shadow);
    padding: var(--pd-space-lg);
}

.pd-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

/* --- Pills & Chips --- */
.pd-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: var(--pd-radius-full);
    padding: 3px 11px;
    font-size: 11px;
    font-weight: 500;
    border: 1px solid var(--pd-border);
    background: rgba(15, 23, 42, 0.9);
    white-space: nowrap;
}

.pd-pill-accent {
    background: var(--pd-accent-soft);
    border-color: var(--pd-border-accent);
    color: var(--pd-accent-strong);
}

.pd-pill-success {
    background: var(--pd-success-soft);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--pd-success);
}

.pd-pill-danger {
    background: var(--pd-danger-soft);
    border-color: rgba(255, 77, 106, 0.3);
    color: var(--pd-danger);
}

.pd-pill-warning {
    background: var(--pd-warning-soft);
    border-color: rgba(251, 191, 36, 0.3);
    color: var(--pd-warning);
}

.pd-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border-radius: var(--pd-radius-full);
    padding: 3px 9px;
    font-size: 11px;
    border: 1px solid var(--pd-border);
    background: rgba(15, 23, 42, 0.9);
}

/* --- Status Dots --- */
.pd-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.pd-dot-success {
    background: radial-gradient(circle at 30% 30%, #bbf7d0, #22c55e);
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.4);
}

.pd-dot-danger {
    background: radial-gradient(circle at 30% 30%, #fecaca, #f97373);
    box-shadow: 0 0 6px rgba(255, 77, 106, 0.4);
}

.pd-dot-warning {
    background: radial-gradient(circle at 30% 30%, #fef3c7, #fbbf24);
}

.pd-dot-muted {
    background: rgba(156, 163, 199, 0.3);
}

.pd-dot-pulse {
    animation: pd-pulse 1.5s ease-in-out infinite;
}

@keyframes pd-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* --- Section / Dividers --- */
.pd-section {
    background: rgba(11, 15, 31, 0.9);
    border-radius: var(--pd-radius-lg);
    border: 1px solid var(--pd-border);
    padding: 12px;
}

.pd-divider {
    height: 1px;
    background: var(--pd-border);
    margin: var(--pd-space-md) 0;
}

/* --- Dropdown --- */
.pd-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    background: var(--pd-bg-elevated);
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius-md);
    box-shadow: var(--pd-shadow-lg);
    padding: 6px;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity var(--pd-ease), transform var(--pd-ease);
}

.pd-dropdown.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.pd-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    font-size: 13px;
    color: var(--pd-text-muted);
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    transition: background var(--pd-ease), color var(--pd-ease);
}

.pd-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--pd-text);
}

.pd-dropdown-item.danger {
    color: var(--pd-danger);
}

.pd-dropdown-item.danger:hover {
    background: var(--pd-danger-soft);
}

.pd-dropdown-divider {
    height: 1px;
    background: var(--pd-border);
    margin: 4px 0;
}

/* --- Badges --- */
.pd-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--pd-radius-full);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pd-badge-nova {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.3), rgba(236, 72, 153, 0.3));
    color: #e879f9;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

.pd-badge-apex {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    color: var(--pd-warning);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.pd-badge-prime {
    background: rgba(103, 232, 249, 0.12);
    color: var(--pd-cyan);
    border: 1px solid rgba(103, 232, 249, 0.3);
}

.pd-badge-plus {
    background: var(--pd-success-soft);
    color: var(--pd-success);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.pd-badge-core {
    background: rgba(156, 163, 199, 0.1);
    color: var(--pd-text-muted);
    border: 1px solid var(--pd-border);
}

.pd-badge-admin {
    background: var(--pd-accent-soft);
    color: var(--pd-accent-strong);
    border: 1px solid var(--pd-border-accent);
}

/* --- Collapsible --- */
.pd-collapsible-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    padding: 10px 0;
}

.pd-collapsible-trigger .pd-chevron {
    transition: transform var(--pd-ease);
}

.pd-collapsible-trigger[aria-expanded="true"] .pd-chevron {
    transform: rotate(180deg);
}

.pd-collapsible-body {
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--pd-ease-slow);
}

.pd-collapsible-body.open {
    max-height: 2000px;
}

/* --- Skeleton Loading --- */
.pd-skeleton {
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0.04) 25%,
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.04) 75%);
    background-size: 200% 100%;
    animation: pd-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--pd-radius-sm);
}

@keyframes pd-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Error / Message --- */
.pd-message {
    padding: 10px 14px;
    border-radius: var(--pd-radius-md);
    font-size: 13px;
}

.pd-message-error {
    background: var(--pd-danger-soft);
    border: 1px solid rgba(255, 77, 106, 0.25);
    color: var(--pd-danger);
}

.pd-message-success {
    background: var(--pd-success-soft);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: var(--pd-success);
}

/* --- Footer --- */
.pd-footer {
    text-align: center;
    padding: 18px 0;
    font-size: 12px;
    color: var(--pd-text-faint);
}

/* --- Utility --- */
.pd-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.pd-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pd-flex { display: flex; }
.pd-flex-col { display: flex; flex-direction: column; }
.pd-items-center { align-items: center; }
.pd-justify-between { justify-content: space-between; }
.pd-gap-xs { gap: var(--pd-space-xs); }
.pd-gap-sm { gap: var(--pd-space-sm); }
.pd-gap-md { gap: var(--pd-space-md); }
.pd-gap-lg { gap: var(--pd-space-lg); }

/* --- Spinner --- */
.pd-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pd-spin 0.6s linear infinite;
}

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