/* =============================================================================
   lib/styles/components/buttons.css — Fishermens Academy
   ============================================================================= */

/* --- BASE --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    min-height: var(--min-touch-target);
    /* 44px min for accessibility */
    border: 2px solid transparent;
    border-radius: var(--radius-student);
    /* 8px Softness */
    font-family: var(--font-body);
    font-size: var(--fs-button);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--ls-button);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    user-select: none;
    -webkit-user-select: none;
}

.btn--full-width {
    width: 100%;
}

.btn:focus-visible {
    outline: var(--focus-outline);
    /* Sunrise Gold */
    outline-offset: var(--focus-offset);
}

.btn--disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn--loading {
    cursor: wait;
    opacity: 0.8;
}

/* Simple CSS Spinner */
.btn__spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: currentColor;
    animation: spin 1s ease-in-out infinite;
}

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

/* --- PRIMARY BUTTON (Solid Sunrise Gold) --- */
.btn--primary {
    background-color: var(--color-sunrise-gold);
    color: var(--color-harbor-blue);
    box-shadow: var(--shadow-soft);
}

.btn--primary:hover:not(.btn--disabled) {
    background-color: var(--color-gold-hover);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    /* Slight lift */
}

.btn--primary:active:not(.btn--disabled) {
    background-color: var(--color-gold-active);
    transform: translateY(0);
}

/* --- SECONDARY BUTTON (Outline Harbor Blue) --- */
.btn--secondary {
    background-color: transparent;
    color: var(--color-harbor-blue);
    border-color: var(--color-harbor-blue);
}

.btn--secondary:hover:not(.btn--disabled) {
    background-color: var(--color-harbor-blue);
    color: var(--color-white);
    transform: translateX(4px);
    /* Shift right per checklist spec */
}

.btn--secondary:active:not(.btn--disabled) {
    background-color: var(--color-blue-hover);
}

/* --- TERTIARY BUTTON (Ghost Text Button) --- */
.btn--tertiary {
    background-color: transparent;
    color: var(--color-slate-gray);
    border-color: transparent;
    padding: 8px 16px;
    box-shadow: none;
}

.btn--tertiary:hover:not(.btn--disabled) {
    color: var(--color-harbor-blue);
    background-color: rgba(26, 54, 93, 0.05);
    /* Very light blue wash */
}

.btn--tertiary:active:not(.btn--disabled) {
    background-color: rgba(26, 54, 93, 0.1);
}