/* === VOLTSALES APP === */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --volt-yellow: #E8FF47;
    --volt-yellow-dim: rgba(232, 255, 71, 0.15);
    --volt-yellow-border: rgba(232, 255, 71, 0.3);
    --dark: #0A0A0A;
    --dark-surface: #141414;
    --dark-elevated: #1A1A1A;
    --dark-border: #222;
    --dark-border-hover: #333;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-500: #6B7280;
    --white: #FAFAFA;
    --green: #22C55E;
    --green-dim: rgba(34, 197, 94, 0.15);
    --blue: #3B82F6;
    --blue-dim: rgba(59, 130, 246, 0.15);
    --orange: #F59E0B;
    --orange-dim: rgba(245, 158, 11, 0.15);
    --red: #EF4444;
    --red-dim: rgba(239, 68, 68, 0.15);
    --purple: #A855F7;
    --purple-dim: rgba(168, 85, 247, 0.15);
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--dark);
    color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* === NAV === */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    gap: 32px;
    backdrop-filter: blur(20px);
    background: rgba(10, 10, 10, 0.9);
    border-bottom: 1px solid var(--dark-border);
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--white);
    text-decoration: none;
    flex-shrink: 0;
}

.logo-bolt { color: var(--volt-yellow); font-size: 1.1rem; }

.nav-tabs {
    display: flex;
    gap: 4px;
    flex: 1;
}

.nav-tab {
    background: none;
    border: none;
    color: var(--gray-400);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-tab:hover { color: var(--white); background: var(--dark-surface); }
.nav-tab.active { color: var(--white); background: var(--dark-elevated); }

.nav-tag {
    font-size: 0.7rem;
    color: var(--gray-400);
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    padding: 4px 12px;
    border-radius: 100px;
    flex-shrink: 0;
}

/* === MAIN CONTENT === */
main {
    padding-top: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 32px;
    padding-right: 32px;
    padding-bottom: 80px;
}

/* === VIEWS === */
.view { display: none; }
.view.active { display: block; }

/* === PAGE HEADER === */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 32px 0 24px;
    gap: 16px;
}

.page-header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.subtitle {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-top: 4px;
}

.header-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.back-btn {
    font-size: 0.85rem;
    margin-bottom: 8px;
    display: inline-block;
}

/* === BUTTONS === */
.btn {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.btn-primary {
    background: var(--volt-yellow);
    color: var(--dark);
    border-color: var(--volt-yellow);
}
.btn-primary:hover { background: #d4eb3a; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
    background: var(--dark-elevated);
    color: var(--white);
    border-color: var(--dark-border);
}
.btn-secondary:hover { border-color: var(--dark-border-hover); background: #222; }

.btn-ghost {
    background: none;
    color: var(--gray-400);
    border: none;
    padding: 8px 12px;
}
.btn-ghost:hover { color: var(--white); }

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 8px;
}

.btn-danger { color: var(--red); }
.btn-danger:hover { color: #ff6b6b; background: var(--red-dim); }

/* === STATS GRID === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: border-color 0.2s;
}

.stat-card:hover { border-color: var(--dark-border-hover); }

.stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--volt-yellow);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 4px;
}

/* === SECTION CARDS === */
.section-card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* === CAMPAIGN CARDS === */
.campaign-list { display: flex; flex-direction: column; gap: 8px; }

.campaign-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--dark-elevated);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.campaign-card:hover {
    border-color: var(--volt-yellow-border);
    background: rgba(232, 255, 71, 0.03);
}

.campaign-info { flex: 1; }

.campaign-name {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 4px;
}

.campaign-meta {
    font-size: 0.8rem;
    color: var(--gray-400);
    display: flex;
    gap: 16px;
}

.campaign-stats {
    display: flex;
    gap: 20px;
    align-items: center;
}

.campaign-stat {
    text-align: center;
}

.campaign-stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--white);
}

.campaign-stat-label {
    font-size: 0.7rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === FORMS === */
.form-card { background: var(--dark-elevated); border-color: var(--volt-yellow-border); }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
    font-size: 0.8rem;
    color: var(--gray-300);
    font-weight: 500;
}

.form-group .optional { color: var(--gray-500); font-weight: 400; }

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--volt-yellow-border);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-500);
}

.form-group select { cursor: pointer; }
.form-group select option { background: var(--dark-surface); color: var(--white); }

.divider {
    height: 1px;
    background: var(--dark-border);
    margin: 8px 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--dark-border);
}

/* === DETAIL TABS === */
.detail-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 4px;
    width: fit-content;
}

.detail-tab {
    background: none;
    border: none;
    color: var(--gray-400);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    padding: 8px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.detail-tab:hover { color: var(--white); }
.detail-tab.active { color: var(--dark); background: var(--volt-yellow); font-weight: 500; }

.detail-content { display: none; }
.detail-content.active { display: block; }

/* === BATCH ACTIONS === */
.batch-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
}

/* === TABLES === */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead th {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--dark-border);
}

.data-table tbody tr {
    border-bottom: 1px solid rgba(34, 34, 34, 0.5);
    transition: background 0.15s;
}

.data-table tbody tr:hover {
    background: rgba(232, 255, 71, 0.02);
}

.data-table td {
    padding: 14px 16px;
    font-size: 0.875rem;
    vertical-align: middle;
}

.prospect-name {
    font-weight: 500;
    color: var(--white);
}

.prospect-company {
    color: var(--gray-400);
    font-size: 0.8rem;
}

/* === STATUS BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.badge-new { background: var(--blue-dim); color: var(--blue); }
.badge-pending { background: var(--orange-dim); color: var(--orange); }
.badge-researching { background: var(--purple-dim); color: var(--purple); }
.badge-researched, .badge-completed { background: var(--green-dim); color: var(--green); }
.badge-failed { background: var(--red-dim); color: var(--red); }
.badge-draft { background: var(--blue-dim); color: var(--blue); }
.badge-approved { background: var(--volt-yellow-dim); color: var(--volt-yellow); }
.badge-sent { background: var(--green-dim); color: var(--green); }
.badge-email_drafted { background: var(--purple-dim); color: var(--purple); }
.badge-active { background: var(--green-dim); color: var(--green); }
.badge-paused { background: var(--orange-dim); color: var(--orange); }

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* === EMAIL CARDS === */
.email-card {
    background: var(--dark-elevated);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.email-card:hover { border-color: var(--dark-border-hover); }

.email-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.email-card-to {
    font-weight: 500;
    font-size: 0.9rem;
}

.email-card-subject {
    color: var(--gray-300);
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.email-card-preview {
    color: var(--gray-500);
    font-size: 0.8rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* === MODAL === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    width: 90%;
    max-width: 640px;
    max-height: 85vh;
    overflow-y: auto;
}

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

.modal-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-body { padding: 24px; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 24px;
    border-top: 1px solid var(--dark-border);
}

/* === EMAIL MODAL === */
.email-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.email-to {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.email-subject-line {
    margin-bottom: 16px;
}

.email-subject-line label,
.email-body-container label {
    font-size: 0.8rem;
    color: var(--gray-400);
    display: block;
    margin-bottom: 6px;
}

.email-subject-input,
.email-body-input {
    width: 100%;
    background: var(--dark);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.email-subject-input:focus,
.email-body-input:focus {
    outline: none;
    border-color: var(--volt-yellow-border);
}

.email-body-input {
    resize: vertical;
    line-height: 1.6;
}

/* === RESEARCH MODAL === */
.research-section {
    margin-bottom: 20px;
}

.research-section h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--volt-yellow);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.research-section p,
.research-section li {
    color: var(--gray-300);
    font-size: 0.875rem;
    line-height: 1.6;
}

.research-section ul {
    list-style: none;
    padding: 0;
}

.research-section ul li {
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.research-section ul li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    color: var(--volt-yellow);
}

.relevance-score {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--volt-yellow);
}

.relevance-label {
    font-size: 0.8rem;
    color: var(--gray-400);
    font-family: 'DM Sans', sans-serif;
    font-weight: 400;
}

/* === ACTIVITY FEED === */
.activity-feed { display: flex; flex-direction: column; gap: 8px; }

.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(34, 34, 34, 0.5);
    font-size: 0.875rem;
}

.activity-item:last-child { border-bottom: none; }

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.activity-icon.research { background: var(--purple-dim); color: var(--purple); }
.activity-icon.email { background: var(--blue-dim); color: var(--blue); }
.activity-icon.approved { background: var(--volt-yellow-dim); color: var(--volt-yellow); }

.activity-text { flex: 1; color: var(--gray-300); }
.activity-text strong { color: var(--white); font-weight: 500; }
.activity-time { color: var(--gray-500); font-size: 0.8rem; flex-shrink: 0; }

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--gray-500);
    font-size: 0.9rem;
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* === TOAST === */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    background: var(--dark-elevated);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    color: var(--white);
    font-size: 0.875rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 300;
    max-width: 400px;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: var(--green); }
.toast.error { border-color: var(--red); }

/* === LOADING SPINNER === */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--dark-border);
    border-top-color: var(--volt-yellow);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* === TABLE WRAPPER === */
.table-wrapper {
    overflow-x: auto;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full { grid-column: 1; }
    nav { padding: 0 16px; gap: 12px; }
    main { padding-left: 16px; padding-right: 16px; }
    .campaign-card { flex-direction: column; align-items: flex-start; gap: 12px; }
    .campaign-stats { width: 100%; justify-content: flex-start; }
}

@media (max-width: 600px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .page-header { flex-direction: column; }
    .header-actions { width: 100%; }
    .header-actions .btn { flex: 1; justify-content: center; }
    .batch-actions { flex-direction: column; }
    .detail-tabs { width: 100%; }
    .detail-tab { flex: 1; text-align: center; }
    .nav-tag { display: none; }
}