/* =============================================================================
   lib/styles/components/shared.css — Filtra-Core Shared Components
   Covers: IconComponent, BadgeComponent, LoadingSpinner, ErrorMessage
   ============================================================================= */

/* =============================================================================
   1. ICON COMPONENT
   ============================================================================= */
.icon--sm { font-size: 24px; line-height: 1; }
.icon--md { font-size: 32px; line-height: 1; }
.icon--lg { font-size: 48px; line-height: 1; }
.icon--xl { font-size: 64px; line-height: 1; }

.icon--primary { color: var(--color-primary, #0A192F); }
.icon--secondary { color: var(--color-accent, #00B4D8); }
.icon--tertiary { color: var(--color-gold, #F59E0B); }
.icon--white { color: #FFFFFF; }

/* =============================================================================
   2. ICON CONTAINER
   ============================================================================= */
.icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.icon-container--sm { width: 40px; height: 40px; }
.icon-container--md { width: 48px; height: 48px; }
.icon-container--lg { width: 64px; height: 64px; }
.icon-container--xl { width: 80px; height: 80px; }

/* Color Variants */
.icon-container--gold { background-color: var(--color-gold, #F59E0B); }
.icon-container--gold .icon--primary,
.icon-container--gold .icon--secondary,
.icon-container--gold .icon--inherit { color: #FFFFFF; }

.icon-container--navy { background-color: var(--color-primary, #0A192F); }
.icon-container--navy .icon--primary,
.icon-container--navy .icon--secondary,
.icon-container--navy .icon--inherit { color: #FFFFFF; }

.icon-container--cyan { background-color: var(--color-accent, #00B4D8); }
.icon-container--cyan .icon--primary,
.icon-container--cyan .icon--secondary,
.icon-container--cyan .icon--inherit { color: var(--color-primary, #0A192F); }

.icon-container--light { background-color: var(--color-light-gray, #F3F4F6); }
.icon-container--light .icon--primary,
.icon-container--light .icon--secondary,
.icon-container--light .icon--inherit { color: var(--color-primary, #0A192F); }

/* Hover states */
.icon-container--gold-hover-cyan:hover,
.card:hover .icon-container--gold {
    background-color: var(--color-accent, #00B4D8);
    transition: background-color 250ms ease-out;
}

/* =============================================================================
   3. BADGE COMPONENT
   ============================================================================= */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 4px;
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.badge--sm { font-size: 12px; padding: 4px 10px; }
.badge--md { font-size: 14px; padding: 6px 14px; }
.badge--uppercase { text-transform: uppercase; letter-spacing: 0.06em; }
.badge__icon { font-size: 0.9em; line-height: 1; flex-shrink: 0; }

/* Colors */
.badge--gold {
    background-color: rgba(245, 158, 11, 0.15);
    color: #B45309;
    border: 1px solid rgba(245, 158, 11, 0.30);
}

.badge--cyan {
    background-color: rgba(0, 180, 216, 0.12);
    color: #0077B6;
    border: 1px solid rgba(0, 180, 216, 0.25);
}

.badge--navy {
    background-color: rgba(10, 25, 47, 0.08);
    color: #0A192F;
    border: 1px solid rgba(10, 25, 47, 0.15);
}

.badge--success {
    background-color: rgba(16, 185, 145, 0.12);
    color: #0A7A5F;
    border: 1px solid rgba(16, 185, 145, 0.25);
}

.badge--error {
    background-color: rgba(239, 68, 68, 0.10);
    color: #C81E1E;
    border: 1px solid rgba(239, 68, 68, 0.22);
}

.badge--warning {
    background-color: rgba(249, 115, 22, 0.10);
    color: #C2570A;
    border: 1px solid rgba(249, 115, 22, 0.22);
}

.badge--neutral {
    background-color: #F3F4F6;
    color: #4B5563;
    border: 1px solid #D1D5DB;
}

/* Dark surface overrides */
.section--dark .badge--gold {
    background-color: rgba(245, 158, 11, 0.20);
    color: #FBBF24;
    border-color: rgba(245, 158, 11, 0.35);
}

.section--dark .badge--cyan {
    background-color: rgba(0, 180, 216, 0.18);
    color: #48CAE4;
    border-color: rgba(0, 180, 216, 0.30);
}

.section--dark .badge--neutral {
    background-color: rgba(243, 244, 246, 0.10);
    color: #F3F4F6;
    border-color: rgba(243, 244, 246, 0.20);
}

/* =============================================================================
   4. LOADING SPINNER
   ============================================================================= */
.spinner {
    display: inline-block;
    border-style: solid;
    border-radius: 50%;
    animation: fc-spin 0.75s linear infinite;
    vertical-align: middle;
    flex-shrink: 0;
}

.spinner--sm { width: 16px; height: 16px; border-width: 2px; }
.spinner--md { width: 24px; height: 24px; border-width: 3px; }
.spinner--lg { width: 40px; height: 40px; border-width: 4px; }

.spinner--gold {
    border-color: rgba(245, 158, 11, 0.20);
    border-top-color: var(--color-gold, #F59E0B);
}

.spinner--white {
    border-color: rgba(255, 255, 255, 0.20);
    border-top-color: #FFFFFF;
}

.spinner--navy {
    border-color: rgba(10, 25, 47, 0.15);
    border-top-color: var(--color-primary, #0A192F);
}

.spinner--cyan {
    border-color: rgba(0, 180, 216, 0.20);
    border-top-color: var(--color-accent, #00B4D8);
}

@keyframes fc-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .spinner {
        animation: fc-pulse 1.5s ease-in-out infinite;
        border-color: transparent !important;
        border-top-color: currentColor !important;
    }

    @keyframes fc-pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.35; }
    }
}

.btn__label--loading {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* =============================================================================
   5. ERROR / FEEDBACK MESSAGE
   ============================================================================= */
.message {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.message__icon { flex-shrink: 0; line-height: 1.5; }
.message__body { flex: 1; min-width: 0; }

/* Inline */
.message--inline {
    margin-top: 6px;
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.5;
    align-items: center;
}

.message--inline .message__icon { font-size: 11px; }

.message--inline.message--error { color: #EF4444; }
.message--inline.message--warning { color: #F97316; }
.message--inline.message--success { color: #10B981; }
.message--inline.message--info { color: #00B4D8; }

/* Banner */
.message--banner {
    position: relative;
    padding: 14px 16px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    width: 100%;
    box-sizing: border-box;
    margin-top: 16px;
}

.message--banner .message__icon { font-size: 16px; margin-top: 2px; }

.message--banner.message--error {
    background-color: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.30);
    color: #C81E1E;
}

.message--banner.message--warning {
    background-color: rgba(249, 115, 22, 0.08);
    border-color: rgba(249, 115, 22, 0.30);
    color: #C2570A;
}

.message--banner.message--success {
    background-color: rgba(16, 185, 145, 0.08);
    border-color: rgba(16, 185, 145, 0.30);
    color: #0A7A5F;
}

.message--banner.message--info {
    background-color: rgba(0, 180, 216, 0.08);
    border-color: rgba(0, 180, 216, 0.30);
    color: #0077B6;
}

.message__dismiss {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    opacity: 0.6;
    transition: opacity 150ms ease-out, background-color 150ms ease-out;
    flex-shrink: 0;
}

.message__dismiss:hover { opacity: 1; background-color: rgba(0, 0, 0, 0.06); }
.message__dismiss:focus-visible { outline: 3px solid var(--color-accent, #00B4D8); outline-offset: 2px; opacity: 1; }

.message--error .message__dismiss { color: #C81E1E; }
.message--warning .message__dismiss { color: #C2570A; }
.message--success .message__dismiss { color: #0A7A5F; }
.message--info .message__dismiss { color: #0077B6; }
.message--banner .message__body { padding-right: 28px; }

/* Dark Surface Overrides */
.section--dark .message--banner.message--error { background-color: rgba(239, 68, 68, 0.15); border-color: rgba(239, 68, 68, 0.40); color: #FCA5A5; }
.section--dark .message--banner.message--warning { background-color: rgba(249, 115, 22, 0.15); border-color: rgba(249, 115, 22, 0.40); color: #FDBA74; }
.section--dark .message--banner.message--success { background-color: rgba(16, 185, 145, 0.15); border-color: rgba(16, 185, 145, 0.40); color: #6EE7B7; }
.section--dark .message--banner.message--info { background-color: rgba(0, 180, 216, 0.15); border-color: rgba(0, 180, 216, 0.40); color: #48CAE4; }