/* ── Platform components ──
 *
 * Reusable UI components shared across platform pages. Visual language
 * extracted from campaign-analysis.css; values come from --platform-*
 * tokens defined in platform-theme.css.
 *
 * Load order: dashboard.css → platform-theme.css → platform-components.css → page-specific css.
 *
 * Sections (also the doc's first-extraction order):
 *   1. Buttons
 *   2. Cards / panels
 *   3. Badges
 *   4. Dropdown menus
 *   5. Tabs
 *   6. Tables
 *   7. Drawers
 *   8. Modals
 *   9. Form fields
 *  10. Empty states
 *  11. Loading / notice blocks
 *  12. Filter chips / removable pills
 */


/* ── 1. Buttons ── */

.platform-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: var(--platform-radius-md);
    font-family: inherit;
    font-size: 0.84rem;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    transition: opacity var(--platform-transition), background var(--platform-transition), border-color var(--platform-transition), transform var(--platform-transition), box-shadow var(--platform-transition);
    white-space: nowrap;
    text-decoration: none;
}

.platform-btn:active { transform: scale(0.97); }
.platform-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

.platform-btn--primary {
    background: var(--platform-accent);
    color: var(--platform-bg-panel);
    font-weight: 600;
}
.platform-btn--primary:hover { opacity: 0.88; }

.platform-btn--secondary {
    background: var(--platform-bg-panel);
    color: var(--platform-text-primary);
    border-color: var(--platform-border);
}
.platform-btn--secondary:hover {
    border-color: #d0cac2;
    background: var(--platform-hover);
}

.platform-btn--ghost {
    background: transparent;
    color: var(--platform-text-primary);
    border-color: var(--platform-border);
}
.platform-btn--ghost:hover {
    border-color: var(--platform-text-primary);
    background: var(--platform-hover);
}

.platform-btn--danger {
    background: var(--platform-bg-panel);
    color: var(--platform-danger);
    border-color: var(--platform-danger);
    font-weight: 600;
}
.platform-btn--danger:hover {
    background: var(--platform-danger);
    color: var(--platform-bg-panel);
}

.platform-btn--launch {
    padding: 14px 28px;
    background: var(--platform-accent);
    color: var(--platform-bg-panel);
    font-family: var(--platform-font-title);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.platform-btn--launch:hover {
    opacity: 0.92;
    box-shadow: var(--platform-shadow-md);
}

.platform-btn--new {
    padding: 12px 20px;
    background: var(--platform-accent);
    color: var(--platform-bg-panel);
    font-family: var(--platform-font-title);
    font-size: 0.85rem;
    font-weight: 600;
}
.platform-btn--new:hover { opacity: 0.88; }


/* ── 2. Cards / panels ── */

.platform-card {
    background: var(--platform-bg-panel);
    border: 1px solid var(--platform-border);
    border-radius: var(--platform-radius-lg);
    box-shadow: var(--platform-shadow-soft);
    overflow: hidden;
}

.platform-card--padded { padding: 22px; }
.platform-card--compact { border-radius: var(--platform-radius-md); padding: 16px 18px; }

.platform-card--interactive {
    transition: box-shadow var(--platform-transition), transform var(--platform-transition);
    cursor: pointer;
}
.platform-card--interactive:hover {
    box-shadow: var(--platform-shadow-md);
    transform: translateY(-1px);
}
.platform-card--interactive:focus-visible {
    outline: 2px solid var(--platform-text-primary);
    outline-offset: 2px;
}

.platform-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.platform-card__title {
    font-family: var(--platform-font-title);
    font-size: 1rem;
    font-weight: 700;
    color: var(--platform-text-primary);
}

.platform-card__subtitle {
    font-size: 0.78rem;
    color: var(--platform-text-secondary);
    margin-top: 2px;
}

.platform-card__eyebrow {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--platform-text-tertiary);
    margin-bottom: 14px;
}

.platform-card__body { /* reset slot */ }


/* ── 3. Badges ── */

.platform-badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    background: var(--platform-bg-page-deep);
    color: var(--platform-text-secondary);
}

.platform-badge--positive { background: var(--platform-success-bg); color: var(--platform-success); }
.platform-badge--neutral  { background: var(--platform-bg-page-deep); color: var(--platform-text-secondary); }
.platform-badge--negative { background: var(--platform-danger-bg); color: var(--platform-danger); }


/* ── 4. Dropdown menus ── */

.platform-dropdown {
    position: relative;
}

.platform-dropdown__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 16px;
    background: var(--platform-bg-panel);
    border: 1px solid var(--platform-border);
    border-radius: var(--platform-radius-md);
    cursor: pointer;
    transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--platform-text-primary);
    text-align: left;
}
.platform-dropdown__trigger:hover { border-color: #d0cac2; }
.platform-dropdown__trigger:focus {
    outline: none;
    border-color: var(--platform-text-primary);
    box-shadow: 0 0 0 3px var(--platform-accent-soft);
}
.platform-dropdown__trigger i {
    font-size: 0.7rem;
    color: var(--platform-text-tertiary);
    transition: transform var(--platform-transition);
}

.platform-dropdown__menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--platform-bg-panel);
    border: 1px solid var(--platform-border);
    border-radius: var(--platform-radius-md);
    box-shadow: var(--platform-shadow-lg);
    z-index: 100;
    overflow: hidden;
}

.platform-dropdown__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    cursor: pointer;
    transition: background var(--platform-transition);
    font-family: inherit;
    font-size: 0.88rem;
    color: var(--platform-text-primary);
    text-align: left;
}
.platform-dropdown__item:hover { background: var(--platform-hover); }
.platform-dropdown__item + .platform-dropdown__item {
    border-top: 1px solid var(--platform-border-light);
}


/* ── 5. Tabs ── */

.platform-tabs {
    display: inline-flex;
    background: var(--platform-bg-page-deep);
    border: 1px solid var(--platform-border);
    border-radius: var(--platform-radius-md);
    overflow: hidden;
}

.platform-tabs__tab {
    background: transparent;
    border: none;
    border-right: 1px solid var(--platform-border);
    padding: 7px 16px;
    font-family: var(--platform-font-title);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--platform-text-tertiary);
    cursor: pointer;
    transition: color var(--platform-transition), background var(--platform-transition);
}
.platform-tabs__tab:last-child { border-right: none; }
.platform-tabs__tab:hover { color: var(--platform-text-primary); }
.platform-tabs__tab--active {
    background: var(--platform-accent);
    color: var(--platform-bg-panel);
}


/* ── 6. Tables ── */

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

.platform-table thead th {
    padding: 10px 14px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--platform-text-tertiary);
    text-align: left;
    border-bottom: 1px solid var(--platform-border-light);
    transition: color var(--platform-transition);
    white-space: nowrap;
}

.platform-table thead th.platform-table__th--sortable {
    cursor: pointer;
    user-select: none;
}
.platform-table thead th.platform-table__th--sortable:hover { color: var(--platform-text-primary); }

.platform-table tbody tr {
    transition: background var(--platform-transition);
}
.platform-table tbody tr.platform-table__row--clickable { cursor: pointer; }
.platform-table tbody tr.platform-table__row--clickable:hover { background: var(--platform-hover); }
.platform-table tbody tr.platform-table__row--muted { opacity: 0.48; }

.platform-table tbody td {
    padding: 12px 14px;
    font-size: 0.85rem;
    color: var(--platform-text-primary);
    border-bottom: 1px solid var(--platform-border-light);
    vertical-align: middle;
}
.platform-table tbody tr:last-child td { border-bottom: none; }

.platform-table__cell--center { text-align: center; }
.platform-table__cell--secondary {
    color: var(--platform-text-secondary);
    font-size: 0.82rem;
}
.platform-table__cell--truncate {
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}


/* ── 7. Drawers ── */

.platform-drawer__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(22, 21, 20, 0.35);
    z-index: 300;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
    will-change: opacity;
}
.platform-drawer__backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.platform-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 1080px;
    max-width: 80vw;
    height: 100vh;
    background: var(--platform-bg-panel);
    box-shadow: -8px 0 32px rgba(22, 21, 20, 0.12);
    z-index: 310;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translate3d(100%, 0, 0);
    transition: transform 0.26s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    backface-visibility: hidden;
    contain: layout paint;
}
.platform-drawer.is-open { transform: translate3d(0, 0, 0); }

.platform-drawer--narrow { width: 420px; }

.platform-drawer__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 28px;
    border-bottom: 1px solid var(--platform-border);
}

.platform-drawer__title {
    font-family: var(--platform-font-title);
    font-size: 1rem;
    font-weight: 700;
    color: var(--platform-text-primary);
    line-height: 1.4;
    flex: 1;
    min-width: 0;
}

.platform-drawer__close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--platform-text-tertiary);
    padding: 6px;
    border-radius: var(--platform-radius-sm);
    transition: color var(--platform-transition), background var(--platform-transition);
    flex-shrink: 0;
}
.platform-drawer__close:hover {
    color: var(--platform-text-primary);
    background: var(--platform-hover);
}

.platform-drawer__body {
    flex: 1;
    overflow-y: auto;
    padding: 28px;
}

.platform-drawer__section { margin-bottom: 24px; }

.platform-drawer__section-title {
    font-family: var(--platform-font-title);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--platform-text-primary);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--platform-border-light);
}


/* ── 8. Modals ── */

.platform-modal__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(22, 21, 20, 0.35);
    z-index: 400;
    backdrop-filter: blur(2px);
}

.platform-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 880px;
    max-width: 94vw;
    max-height: 85vh;
    background: var(--platform-bg-panel);
    border-radius: var(--platform-radius-lg);
    box-shadow: 0 24px 64px rgba(22, 21, 20, 0.18);
    z-index: 410;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.platform-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--platform-border);
}

.platform-modal__title {
    font-family: var(--platform-font-title);
    font-size: 1rem;
    font-weight: 700;
    color: var(--platform-text-primary);
}

.platform-modal__body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}


/* ── 9. Form fields ── */

.platform-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.platform-field__label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--platform-text-secondary);
}

.platform-input,
.platform-textarea,
.platform-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--platform-bg-panel);
    border: 1px solid var(--platform-border);
    border-radius: var(--platform-radius-md);
    font-family: var(--platform-font-body);
    font-size: 0.88rem;
    color: var(--platform-text-primary);
    transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
}

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

.platform-input:focus,
.platform-textarea:focus,
.platform-select:focus {
    outline: none;
    border-color: var(--platform-text-primary);
    box-shadow: 0 0 0 3px var(--platform-accent-soft);
}

.platform-textarea {
    min-height: 180px;
    padding: 16px 18px;
    line-height: 1.7;
    resize: vertical;
}

.platform-select {
    appearance: none;
    cursor: pointer;
    padding-right: 32px;
    background-image: linear-gradient(45deg, transparent 50%, var(--platform-text-tertiary) 50%), linear-gradient(135deg, var(--platform-text-tertiary) 50%, transparent 50%);
    background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
}


/* ── 10. Empty states ── */

.platform-empty {
    text-align: center;
    padding: 64px 24px;
}

.platform-empty__icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--platform-bg-page-deep);
    color: var(--platform-text-tertiary);
    font-size: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.platform-empty__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--platform-text-primary);
    margin-bottom: 6px;
}

.platform-empty__desc {
    font-size: 0.85rem;
    color: var(--platform-text-secondary);
    max-width: 360px;
    margin: 0 auto;
    line-height: 1.5;
}


/* ── 11. Loading / notice blocks ── */

.platform-loading {
    text-align: center;
    padding: 32px 24px;
    color: var(--platform-text-secondary);
    font-size: 0.85rem;
}

.platform-notice {
    padding: 12px 14px;
    border: 1px solid var(--platform-border);
    border-radius: var(--platform-radius-md);
    background: var(--platform-bg-page-deep);
    color: var(--platform-text-secondary);
    font-size: 0.84rem;
    line-height: 1.45;
}

.platform-notice--info {
    border-color: rgba(212, 160, 23, 0.28);
    background: rgba(212, 160, 23, 0.08);
}

.platform-notice--error {
    border-color: rgba(155, 44, 44, 0.28);
    background: var(--platform-danger-bg);
    color: var(--platform-danger);
}


/* ── 12. Filter chips / removable pills ── */

.platform-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--platform-bg-panel);
    border: 1px solid var(--platform-border-light);
    border-radius: var(--platform-radius-md);
    box-shadow: var(--platform-shadow-soft);
}

.platform-filter-bar__label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--platform-text-tertiary);
}

.platform-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: var(--platform-bg-panel);
    color: var(--platform-text-secondary);
    border: 1px solid var(--platform-border);
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.76rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color var(--platform-transition), color var(--platform-transition), opacity var(--platform-transition);
}
.platform-chip:hover {
    border-color: var(--platform-text-primary);
    color: var(--platform-text-primary);
}

.platform-chip--active,
.platform-chip--filled {
    background: var(--platform-accent);
    color: var(--platform-bg-panel);
    border-color: var(--platform-accent);
    font-weight: 600;
}
.platform-chip--filled:hover { opacity: 0.85; color: var(--platform-bg-panel); }

.platform-chip--removable {
    padding-right: 8px;
}
.platform-chip__remove {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 0;
    font-size: 0.6rem;
    line-height: 1;
    transition: opacity var(--platform-transition);
}
.platform-chip__remove:hover { opacity: 1; }