/**
 * SW Foundation — Glassmorphism Design System
 *
 * Design tokens and reusable glass component classes.
 * Loaded globally before all other SWF stylesheets.
 */

/* ─── Design Tokens ─── */

:root {
    /* Brand Colors */
    --swf-gold:            #ffcd05;
    --swf-gold-dark:       #f7b500;
    --swf-gold-light:      #fff3c4;
    --swf-blue:            #3b82f6;
    --swf-blue-dark:       #2563eb;
    --swf-blue-deeper:     #1d4ed8;
    --swf-green:           #22c55e;
    --swf-green-dark:      #166534;
    --swf-red:             #ef4444;
    --swf-red-dark:        #dc2626;

    /* Neutral Palette */
    --swf-navy:            #111518;
    --swf-text-primary:    #111827;
    --swf-text-secondary:  #687279;
    --swf-text-muted:      #6b7280;
    --swf-text-tertiary:   #9ca3af;
    --swf-heading:         #1e293b;

    /* Surface Colors */
    --swf-bg-page:         #f9fafb;
    --swf-bg-section:      #edeff2;
    --swf-bg-card-solid:   #ffffff;
    --swf-bg-inset:        rgba(243, 244, 246, 0.70);

    /* Glass Effect Tokens */
    --swf-glass-blur:      16px;
    --swf-glass-blur-sm:   8px;
    --swf-glass-blur-lg:   24px;

    --swf-glass-bg:        rgba(255, 255, 255, 0.55);
    --swf-glass-bg-strong: rgba(255, 255, 255, 0.72);
    --swf-glass-bg-subtle: rgba(255, 255, 255, 0.35);

    --swf-glass-border:        rgba(255, 255, 255, 0.30);
    --swf-glass-border-strong: rgba(255, 255, 255, 0.50);

    --swf-glass-shadow:    0 8px 32px rgba(17, 21, 24, 0.08);
    --swf-glass-shadow-lg: 0 16px 48px rgba(17, 21, 24, 0.12);
    --swf-glass-shadow-sm: 0 2px 12px rgba(17, 21, 24, 0.06);

    /* Dark Glass (navy backgrounds) */
    --swf-glass-dark-bg:     rgba(17, 21, 24, 0.60);
    --swf-glass-dark-border: rgba(255, 255, 255, 0.08);
    --swf-glass-dark-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);

    /* Border & Radius */
    --swf-radius-xs:   6px;
    --swf-radius-sm:   8px;
    --swf-radius-md:   12px;
    --swf-radius-lg:   16px;
    --swf-radius-xl:   20px;
    --swf-radius-pill:  9999px;

    /* Spacing */
    --swf-space-1:  4px;
    --swf-space-2:  8px;
    --swf-space-3:  12px;
    --swf-space-4:  16px;
    --swf-space-5:  20px;
    --swf-space-6:  24px;
    --swf-space-8:  32px;
    --swf-space-10: 40px;
    --swf-space-12: 48px;

    /* Transitions */
    --swf-transition-fast:   0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --swf-transition-base:   0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --swf-transition-slow:   0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography (component-level, inherits theme fonts) */
    --swf-font-mono: ui-monospace, 'SFMono-Regular', 'Cascadia Code', monospace;
    --swf-text-xs:   11px;
    --swf-text-sm:   13px;
    --swf-text-base: 14px;
    --swf-text-md:   16px;
}


/* ─── Glass Card ─── */

.swf-glass-card {
    background: var(--swf-glass-bg);
    backdrop-filter: blur(var(--swf-glass-blur));
    -webkit-backdrop-filter: blur(var(--swf-glass-blur));
    border: 1px solid var(--swf-glass-border);
    border-radius: var(--swf-radius-lg);
    box-shadow: var(--swf-glass-shadow);
    padding: var(--swf-space-6);
    transition:
        transform var(--swf-transition-base),
        box-shadow var(--swf-transition-base),
        background var(--swf-transition-base);
}

.swf-glass-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--swf-glass-shadow-lg);
    background: var(--swf-glass-bg-strong);
}

.swf-glass-card--elevated {
    background: var(--swf-glass-bg-strong);
    box-shadow: var(--swf-glass-shadow-lg);
    border-color: var(--swf-glass-border-strong);
}

.swf-glass-card--dark {
    background: var(--swf-glass-dark-bg);
    border-color: var(--swf-glass-dark-border);
    box-shadow: var(--swf-glass-dark-shadow);
    color: rgba(255, 255, 255, 0.90);
}

.swf-glass-inset {
    background: var(--swf-bg-inset);
    backdrop-filter: blur(var(--swf-glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--swf-glass-blur-sm));
    border: 1px solid rgba(229, 231, 235, 0.40);
    border-radius: var(--swf-radius-md);
    padding: var(--swf-space-4);
}


/* ─── Button System ─── */

.swf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--swf-space-2);
    padding: var(--swf-space-3) var(--swf-space-6);
    border: none;
    border-radius: var(--swf-radius-md);
    font-size: var(--swf-text-base);
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: all var(--swf-transition-base);
    position: relative;
    overflow: hidden;
    line-height: 1.5;
}

.swf-btn--primary,
.swf-btn {
    background: linear-gradient(135deg, var(--swf-gold) 0%, var(--swf-gold-dark) 100%);
    color: var(--swf-navy);
    box-shadow: 0 2px 8px rgba(255, 205, 5, 0.30);
}

.swf-btn--primary:hover,
.swf-btn:hover {
    box-shadow: 0 4px 16px rgba(255, 205, 5, 0.45);
    transform: translateY(-1px);
    color: var(--swf-navy);
}

.swf-btn--secondary {
    background: linear-gradient(135deg, var(--swf-blue) 0%, var(--swf-blue-dark) 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.swf-btn--secondary:hover {
    background: linear-gradient(135deg, var(--swf-blue-dark) 0%, var(--swf-blue-deeper) 100%);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
    transform: translateY(-1px);
    color: #fff;
}

.swf-btn--outline {
    background: var(--swf-glass-bg-subtle);
    backdrop-filter: blur(var(--swf-glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--swf-glass-blur-sm));
    border: 1.5px solid var(--swf-glass-border-strong);
    color: var(--swf-text-primary);
    box-shadow: none;
}

.swf-btn--outline:hover {
    background: var(--swf-glass-bg);
    border-color: var(--swf-gold);
    box-shadow: 0 0 0 3px rgba(255, 205, 5, 0.15);
    color: var(--swf-text-primary);
}

.swf-btn--ghost {
    background: transparent;
    color: var(--swf-blue);
    box-shadow: none;
}

.swf-btn--ghost:hover {
    background: var(--swf-glass-bg-subtle);
    backdrop-filter: blur(var(--swf-glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--swf-glass-blur-sm));
}

.swf-btn--sm {
    padding: var(--swf-space-2) var(--swf-space-4);
    font-size: var(--swf-text-sm);
    border-radius: var(--swf-radius-sm);
}

.swf-btn--lg {
    padding: var(--swf-space-4) var(--swf-space-8);
    font-size: var(--swf-text-md);
    border-radius: var(--swf-radius-lg);
}

.swf-btn--block {
    width: 100%;
}

.swf-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.swf-btn--success,
.swf-btn.copied {
    background: var(--swf-green);
    color: #fff;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.30);
}


/* ─── Badge / Tag System ─── */

.swf-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--swf-space-1);
    padding: 4px 12px;
    border-radius: var(--swf-radius-pill);
    font-size: var(--swf-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(var(--swf-glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--swf-glass-blur-sm));
    border: 1px solid transparent;
}

.swf-badge--active {
    background: rgba(59, 130, 246, 0.15);
    color: #1e40af;
    border-color: rgba(59, 130, 246, 0.20);
}

.swf-badge--reached,
.swf-badge--success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--swf-green-dark);
    border-color: rgba(34, 197, 94, 0.20);
}

.swf-badge--completed {
    background: rgba(99, 102, 241, 0.15);
    color: #3730a3;
    border-color: rgba(99, 102, 241, 0.20);
}

.swf-badge--warning {
    background: rgba(245, 158, 11, 0.15);
    color: #92400e;
    border-color: rgba(245, 158, 11, 0.20);
}

.swf-badge--danger {
    background: rgba(239, 68, 68, 0.15);
    color: #991b1b;
    border-color: rgba(239, 68, 68, 0.20);
}

.swf-badge--neutral {
    background: rgba(107, 114, 128, 0.10);
    color: var(--swf-text-muted);
    border-color: rgba(107, 114, 128, 0.15);
}

.swf-badge--pkg {
    background: rgba(59, 130, 246, 0.12);
    color: #1e40af;
    font-family: var(--swf-font-mono);
    text-transform: none;
    letter-spacing: 0;
    font-size: var(--swf-text-xs);
}


/* ─── Form Inputs ─── */

.swf-input {
    width: 100%;
    padding: var(--swf-space-3) var(--swf-space-4);
    background: var(--swf-glass-bg-subtle);
    backdrop-filter: blur(var(--swf-glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--swf-glass-blur-sm));
    border: 1.5px solid rgba(209, 213, 219, 0.50);
    border-radius: var(--swf-radius-sm);
    font-size: var(--swf-text-base);
    color: var(--swf-heading);
    transition:
        border-color var(--swf-transition-fast),
        box-shadow var(--swf-transition-fast),
        background var(--swf-transition-fast);
    box-sizing: border-box;
}

.swf-input:focus {
    outline: none;
    border-color: var(--swf-gold);
    box-shadow: 0 0 0 3px rgba(255, 205, 5, 0.18);
    background: var(--swf-glass-bg);
}

.swf-input::placeholder {
    color: var(--swf-text-tertiary);
}

.swf-label {
    display: block;
    margin-bottom: var(--swf-space-2);
    font-size: var(--swf-text-base);
    font-weight: 600;
    color: var(--swf-text-primary);
}

.swf-help {
    display: block;
    margin-top: var(--swf-space-1);
    font-size: var(--swf-text-xs);
    color: var(--swf-text-tertiary);
}

.swf-message {
    padding: var(--swf-space-3) var(--swf-space-4);
    border-radius: var(--swf-radius-sm);
    font-size: var(--swf-text-base);
    margin-bottom: var(--swf-space-4);
    backdrop-filter: blur(var(--swf-glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--swf-glass-blur-sm));
}

.swf-message--error {
    background: rgba(254, 202, 202, 0.50);
    color: var(--swf-red-dark);
    border: 1px solid rgba(254, 202, 202, 0.70);
}

.swf-message--success {
    background: rgba(187, 247, 208, 0.50);
    color: var(--swf-green-dark);
    border: 1px solid rgba(187, 247, 208, 0.70);
}