/* ============================================================
   SHARED COMPONENTS — Buttons, Cards, Forms, Modals, Badges
   ============================================================ */

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1.4;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--glow-cyan);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border-color: var(--border-medium);
}
.btn-secondary:hover {
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.08);
}

.btn-danger {
    background: transparent;
    color: var(--red);
    border-color: rgba(255, 56, 96, 0.3);
}
.btn-danger:hover {
    background: rgba(255, 56, 96, 0.1);
    border-color: var(--red);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.4rem 0.6rem;
}
.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-sm { padding: 0.3rem 0.7rem; font-size: var(--text-xs); }
.btn-lg { padding: 0.7rem 1.5rem; font-size: var(--text-base); }

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Icon Button ── */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-base);
}
.btn-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 229, 255, 0.08);
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-fast);
}

.card-hover:hover {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.card-neon {
    border-color: var(--border-bright);
    box-shadow: var(--glow-cyan);
}

/* ── Forms ── */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.55rem 0.75rem;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}

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

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239e9eb8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.form-row {
    display: flex;
    gap: var(--space-md);
}
.form-row > * { flex: 1; }

.form-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    padding-top: var(--space-md);
}

/* ── Modals ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    animation: fadeIn var(--transition-fast) ease-out;
}

.modal-overlay.hidden { display: none; }

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn var(--transition-base) ease-out;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.modal-header h2 {
    font-size: var(--text-xl);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--text-xl);
    padding: var(--space-xs);
    line-height: 1;
    transition: color var(--transition-fast);
}
.modal-close:hover { color: var(--text-primary); }

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-cyan    { background: rgba(0, 229, 255, 0.15); color: var(--cyan); }
.badge-magenta { background: rgba(255, 0, 234, 0.15); color: var(--magenta); }
.badge-green   { background: rgba(0, 255, 136, 0.15); color: var(--green); }
.badge-yellow  { background: rgba(255, 230, 0, 0.15); color: var(--yellow); }
.badge-red     { background: rgba(255, 56, 96, 0.15); color: var(--red); }
.badge-muted   { background: rgba(158, 158, 184, 0.12); color: var(--text-muted); }

/* ── Tags ── */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.15rem 0.5rem;
    font-size: var(--text-xs);
    background: rgba(0, 229, 255, 0.08);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
}

/* ── Tabs ── */
.tabs {
    display: flex;
    gap: var(--space-xs);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-lg);
}

.tab {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

.tab:hover { color: var(--text-primary); }
.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ── Empty states ── */
.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.empty-state p {
    font-size: var(--text-sm);
    max-width: 320px;
    margin: 0 auto;
}

/* ── Loading spinner ── */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

.loading-center {
    display: flex;
    justify-content: center;
    padding: var(--space-2xl);
}

/* ── Section headers ── */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.section-header h2 {
    font-size: var(--text-xl);
}

/* ── Pill toggle (casual/full filter) ── */
.pill-group {
    display: inline-flex;
    background: var(--bg-input);
    border-radius: var(--radius-xl);
    padding: 3px;
    border: 1px solid var(--border-subtle);
}

.pill {
    padding: 0.3rem 0.8rem;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

.pill.active {
    background: var(--accent);
    color: #000;
}

/* ── Toast notifications ── */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: 0.7rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    animation: toastIn var(--transition-base) ease-out;
    box-shadow: var(--shadow-md);
    max-width: 360px;
}

.toast-success {
    background: rgba(0, 255, 136, 0.15);
    color: var(--green);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.toast-error {
    background: rgba(255, 56, 96, 0.15);
    color: var(--red);
    border: 1px solid rgba(255, 56, 96, 0.3);
}

.toast-info {
    background: rgba(0, 229, 255, 0.15);
    color: var(--cyan);
    border: 1px solid rgba(0, 229, 255, 0.3);
}

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

.toast-exit {
    animation: toastOut var(--transition-fast) ease-in forwards;
}

@keyframes toastOut {
    to { opacity: 0; transform: translateY(-10px); }
}