/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1.5;
}

.btn--primary {
    background: var(--brand-purple);
    color: white;
}

.btn--primary:hover {
    background: #7C3AED;
    box-shadow: var(--shadow-glow-purple);
}

.btn--secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn--secondary:hover {
    background: var(--border-subtle);
}

.btn--ghost {
    color: var(--text-secondary);
}

.btn--ghost:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.btn--danger {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn--danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

.btn--sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-xs);
}

.btn--lg {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
}

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

.btn--icon {
    padding: var(--space-sm);
    width: 36px;
    height: 36px;
}

.btn svg {
    width: 16px;
    height: 16px;
}

/* ---- Inputs ---- */
.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.input-group__label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.input-group__error {
    font-size: var(--text-xs);
    color: var(--priority-urgent);
}

.input {
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
    width: 100%;
}

.input:focus {
    outline: none;
    border-color: var(--brand-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

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

.input--error {
    border-color: var(--priority-urgent);
}

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

select.input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239B97B0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 2px var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
}

.badge--lg {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-sm);
}

.badge--purple { background: rgba(139, 92, 246, 0.15); color: var(--brand-purple); }
.badge--cyan { background: rgba(6, 182, 212, 0.15); color: var(--brand-cyan); }
.badge--green { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.badge--amber { background: rgba(245, 158, 11, 0.15); color: #F59E0B; }
.badge--red { background: rgba(239, 68, 68, 0.15); color: #EF4444; }

/* ---- Modal Overlay ---- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-lg);
    animation: fadeIn var(--transition-fast);
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-base);
}

.modal--sm { max-width: 400px; }
.modal--md { max-width: 560px; }
.modal--lg { max-width: 720px; }
.modal--xl { max-width: 900px; }

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

.modal__title { font-size: var(--text-lg); font-weight: 600; }

.modal__close {
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal__close:hover { background: var(--bg-elevated); color: var(--text-primary); }

.modal__body { padding: var(--space-lg); }

.modal__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

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

.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-sm);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-width: 280px;
    max-width: 400px;
    animation: slideInRight var(--transition-base);
}

.toast--success { border-left: 3px solid var(--accent-green); }
.toast--error   { border-left: 3px solid var(--priority-urgent); }
.toast--warning { border-left: 3px solid var(--priority-high); }
.toast--info    { border-left: 3px solid var(--brand-cyan); }

.toast__close { margin-left: auto; color: var(--text-tertiary); cursor: pointer; }

/* ---- Animations ---- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideOutRight { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(100%); } }

/* ---- Empty State ---- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    text-align: center;
    min-height: 300px;
}

.empty-state__icon { width: 64px; height: 64px; color: var(--text-tertiary); margin-bottom: var(--space-md); opacity: 0.5; }
.empty-state__title { font-size: var(--text-lg); font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-sm); }
.empty-state__desc { font-size: var(--text-sm); color: var(--text-secondary); max-width: 400px; margin-bottom: var(--space-lg); }

/* ---- Avatar ---- */
.avatar {
    width: 32px; height: 32px;
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    font-size: var(--text-xs); font-weight: 600; color: white; flex-shrink: 0;
}

.avatar--sm { width: 24px; height: 24px; font-size: 10px; }
.avatar--lg { width: 48px; height: 48px; font-size: var(--text-base); }

/* ---- DataTable ---- */
.data-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.data-table { width: 100%; border-collapse: collapse; }

.data-table__th {
    padding: 10px 16px;
    text-align: left;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
}

.data-table__td {
    padding: 10px 16px;
    font-size: var(--text-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

.data-table__row { transition: background var(--transition-fast); }
.data-table__row:hover { background: var(--bg-tertiary); cursor: pointer; }
.data-table__empty { text-align: center; color: var(--text-tertiary); padding: var(--space-2xl); }

/* ---- Metric Card ---- */
.metric-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.metric-card__value { font-size: var(--text-2xl); font-weight: 700; color: var(--text-primary); }
.metric-card__label { font-size: var(--text-xs); color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500; }

/* ---- Filter Bar ---- */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.filter-bar__search { position: relative; flex: 1; min-width: 200px; }

.filter-bar__search-icon {
    position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    color: var(--text-tertiary); width: 16px; height: 16px; pointer-events: none;
}

.filter-bar__search-input { width: 100%; padding: 8px 12px 8px 36px; }
.filter-bar select { min-width: 140px; }

/* ---- Detail Pages ---- */
.detail-page { max-width: 1200px; }

.detail-page__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.detail-page__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

@media (max-width: 900px) {
    .detail-page__content { grid-template-columns: 1fr; }
}

.detail-page__main { min-width: 0; }
.detail-page__sidebar { display: flex; flex-direction: column; gap: var(--space-lg); min-width: 0; }

/* ---- Profile Card ---- */
.profile-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.profile-card__header { display: flex; align-items: center; gap: var(--space-md); margin-bottom: var(--space-lg); }

.profile-card__avatar {
    width: 64px; height: 64px;
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    font-size: var(--text-xl); font-weight: 700; color: white; flex-shrink: 0;
}

.profile-card__name { font-size: var(--text-xl); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-xs); }

/* ---- Detail Fields ---- */
.detail-fields { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
@media (max-width: 600px) { .detail-fields { grid-template-columns: 1fr; } }

.detail-field { display: flex; flex-direction: column; gap: var(--space-xs); }
.detail-field--full { grid-column: 1 / -1; }
.detail-field__label { font-size: var(--text-xs); font-weight: 600; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; }
.detail-field__value { font-size: var(--text-sm); }

/* ---- Sidebar Sections ---- */
.detail-sidebar-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.detail-sidebar-section__header { padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--border-subtle); }
.detail-sidebar-section__title { font-size: var(--text-sm); font-weight: 600; color: var(--text-secondary); }
.detail-sidebar-section__body { padding: var(--space-md) var(--space-lg); max-height: 400px; overflow-y: auto; }

/* ---- Linked Cards ---- */
.linked-card {
    display: block;
    padding: var(--space-sm) var(--space-md);
    margin: 0 calc(-1 * var(--space-md));
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: background var(--transition-fast);
}

.linked-card:hover { background: var(--bg-tertiary); }
.linked-card + .linked-card { border-top: 1px solid var(--border-subtle); }
.linked-card__header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); margin-bottom: 2px; }
.linked-card__title { font-size: var(--text-sm); font-weight: 500; color: var(--text-primary); }
.linked-card__meta { font-size: var(--text-xs); color: var(--text-tertiary); }

/* ---- Deal Detail ---- */
.deal-detail-hero { margin-bottom: var(--space-lg); }
.deal-detail-hero__title-row { display: flex; align-items: center; gap: var(--space-md); flex-wrap: wrap; }

.deal-linked-entities { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-md); }

.linked-entity-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    text-decoration: none;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.linked-entity-chip:hover { background: var(--bg-elevated); border-color: var(--brand-purple); color: var(--brand-purple); }

.deal-metrics-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); margin-bottom: var(--space-lg); }
@media (max-width: 768px) { .deal-metrics-row { grid-template-columns: 1fr 1fr; } }

.deal-metric {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.deal-metric__label { display: block; font-size: var(--text-xs); font-weight: 600; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-sm); }
.deal-metric__value { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }

/* ---- Deal Stage Progress ---- */
.deal-stage-progress { display: flex; flex-direction: column; gap: var(--space-sm); position: relative; padding-left: var(--space-md); }
.deal-stage-progress::before { content: ''; position: absolute; left: 5px; top: 4px; bottom: 4px; width: 2px; background: var(--border-subtle); }

.deal-stage-step { display: flex; align-items: center; gap: var(--space-sm); position: relative; }

.deal-stage-step__dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    border: 2px solid var(--border-default);
    background: var(--bg-elevated);
    position: absolute;
    left: calc(-1 * var(--space-md));
    z-index: 1;
}

.deal-stage-step__label { font-size: var(--text-xs); font-weight: 500; }
.deal-stage-step--current .deal-stage-step__label { font-weight: 700; }

.timeline__empty { color: var(--text-tertiary); font-size: var(--text-sm); font-style: italic; }

/* ---- Settings ---- */
.settings-page { max-width: 800px; }

.settings-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    overflow: hidden;
}

.settings-section__header {
    display: flex; align-items: center; gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

.settings-section__header svg { color: var(--text-secondary); }
.settings-section__title { font-size: var(--text-base); font-weight: 600; }
.settings-section__body { padding: var(--space-lg); }

.settings-profile-row { display: flex; gap: var(--space-lg); align-items: flex-start; }
@media (max-width: 600px) { .settings-profile-row { flex-direction: column; align-items: center; } }

.settings-avatar {
    width: 72px; height: 72px;
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    font-size: var(--text-xl); font-weight: 700; color: white; flex-shrink: 0;
}

.settings-profile-info { flex: 1; min-width: 0; }

.theme-toggle-row { display: flex; gap: var(--space-lg); }

.theme-option {
    flex: 1; cursor: pointer;
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    transition: all var(--transition-fast);
}

.theme-option:hover { border-color: var(--border-default); }
.theme-option--active { border-color: var(--brand-purple); box-shadow: var(--shadow-glow-purple); }
.theme-option__label { display: block; margin-top: var(--space-sm); font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }

.theme-preview { height: 64px; border-radius: var(--radius-sm); padding: var(--space-sm); display: flex; flex-direction: column; gap: var(--space-xs); }
.theme-preview--dark { background: #0B0A10; }
.theme-preview--light { background: #F8F9FB; }
.theme-preview__bar { height: 6px; border-radius: 3px; width: 50%; background: var(--brand-purple); }
.theme-preview__lines { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.theme-preview__line { height: 4px; border-radius: 2px; width: 80%; }
.theme-preview--dark .theme-preview__line { background: rgba(255, 255, 255, 0.1); }
.theme-preview--light .theme-preview__line { background: rgba(0, 0, 0, 0.08); }
.theme-preview__line--short { width: 50%; }

.settings-data-grid { display: flex; flex-direction: column; gap: var(--space-md); }

.settings-data-card {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--space-lg); padding: var(--space-md);
    background: var(--bg-tertiary); border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}

.settings-data-card--danger { border-color: rgba(239, 68, 68, 0.2); }
.settings-data-card__info { flex: 1; min-width: 0; }
.settings-data-card__title { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.settings-data-card__desc { font-size: var(--text-xs); color: var(--text-tertiary); line-height: 1.4; }