/**
 * Starikov Outreach Bot - WebApp Styles
 * Dark theme with Telegram colors
 */

/* ============================================
   CSS VARIABLES
   ============================================ */

:root {
    /* Telegram theme colors (fallbacks) */
    --tg-bg-color: #1a1a2e;
    --tg-text-color: #ffffff;
    --tg-button-color: #6C5CE7;
    --tg-button-text-color: #ffffff;
    --tg-secondary-bg-color: #0a0a0f;
    --tg-hint-color: rgba(255, 255, 255, 0.5);
    
    /* Custom colors */
    --accent: #6C5CE7;
    --accent-hover: #5849C6;
    --success: #00B894;
    --warning: #FDCB6E;
    --danger: #FF7675;
    --info: #74B9FF;
    
    /* Backgrounds */
    --bg-primary: var(--tg-bg-color);
    --bg-secondary: var(--tg-secondary-bg-color);
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    
    /* Text */
    --text-primary: var(--tg-text-color);
    --text-secondary: var(--tg-hint-color);
    --text-muted: rgba(255, 255, 255, 0.3);
    
    /* Borders */
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    
    /* Border radius */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    
    /* Bottom nav height */
    --bottom-nav-height: 72px;
}

/* ============================================
   RESET & BASE
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

#app {
    min-height: 100vh;
    padding-bottom: var(--bottom-nav-height);
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}

.header-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 12px;
    color: var(--text-secondary);
}

.header-stat {
    white-space: nowrap;
}

/* ============================================
   BOTTOM NAVIGATION
   ============================================ */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) var(--spacing-sm) calc(var(--spacing-sm) + env(safe-area-inset-bottom));
    z-index: 1000;
}

.nav-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.nav-btn:active {
    transform: scale(0.95);
}

.nav-btn.active {
    color: var(--accent);
    background: rgba(108, 92, 231, 0.1);
}

.nav-icon {
    font-size: 24px;
    line-height: 1;
}

.nav-label {
    font-size: 11px;
    font-weight: 500;
}

/* ============================================
   TAB CONTENT
   ============================================ */

.tab-content {
    padding: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.section-title:first-child {
    margin-top: 0;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: all 0.2s;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.card:active {
    transform: scale(0.98);
}

/* ============================================
   METRICS
   ============================================ */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metrics-grid.small {
    grid-template-columns: repeat(4, 1fr);
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.2s;
}

.metric-card.accent {
    background: rgba(108, 92, 231, 0.1);
    border-color: rgba(108, 92, 231, 0.3);
}

.metric-card.success {
    background: rgba(0, 184, 148, 0.1);
    border-color: rgba(0, 184, 148, 0.3);
}

.metric-card.warning {
    background: rgba(253, 203, 110, 0.1);
    border-color: rgba(253, 203, 110, 0.3);
}

.metric-card.danger {
    background: rgba(255, 118, 117, 0.1);
    border-color: rgba(255, 118, 117, 0.3);
}

.metric-icon {
    font-size: 28px;
    margin-bottom: var(--spacing-sm);
}

.metric-value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================
   BADGES
   ============================================ */

.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.status-badge.success {
    background: rgba(0, 184, 148, 0.15);
    border-color: var(--success);
    color: var(--success);
}

.status-badge.warning {
    background: rgba(253, 203, 110, 0.15);
    border-color: var(--warning);
    color: var(--warning);
}

.status-badge.danger {
    background: rgba(255, 118, 117, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.status-badge.info {
    background: rgba(116, 185, 255, 0.15);
    border-color: var(--info);
    color: var(--info);
}

.status-badge.muted {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

/* ============================================
   BUTTONS
   ============================================ */

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.action-btn {
    flex: 1;
    min-width: 100px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.action-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.action-btn:active {
    transform: scale(0.95);
}

.action-btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.action-btn.primary:hover {
    background: var(--accent-hover);
}

.action-btn.warning {
    background: rgba(253, 203, 110, 0.15);
    border-color: var(--warning);
    color: var(--warning);
}

.action-btn.danger {
    background: rgba(255, 118, 117, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.action-btn.full-width {
    width: 100%;
    flex: none;
}

/* ============================================
   EMPTY & LOADING STATES
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 16px;
}

.empty-state small {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 13px;
    color: var(--text-muted);
}

.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    min-height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
}

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

.error-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--danger);
}

/* ============================================
   ACCOUNT CARDS
   ============================================ */

.accounts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.account-card {
    cursor: default;
}

.account-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.account-phone {
    font-weight: 600;
    font-size: 15px;
}

.task-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.3);
}

.free-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    background: rgba(0, 184, 148, 0.15);
    border: 1px solid rgba(0, 184, 148, 0.3);
    color: var(--success);
}

.account-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    font-size: 13px;
    color: var(--text-secondary);
}

.account-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ============================================
   TASK CARDS
   ============================================ */

.tasks-list, .segments-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.task-card, .segment-card {
    cursor: pointer;
}

.task-header, .segment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.task-name, .segment-name {
    font-weight: 600;
    font-size: 16px;
}

.phase-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
}

.phase-badge.phase-success { background: rgba(0, 184, 148, 0.15); color: var(--success); }
.phase-badge.phase-warning { background: rgba(253, 203, 110, 0.15); color: var(--warning); }
.phase-badge.phase-info { background: rgba(116, 185, 255, 0.15); color: var(--info); }
.phase-badge.phase-muted { background: rgba(255, 255, 255, 0.05); color: var(--text-muted); }

.task-info-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

/* Phase Progress Indicator */
.phase-progress {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: var(--spacing-lg) 0;
}

.phase-dot {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.phase-dot.active {
    border-color: var(--accent);
    background: rgba(108, 92, 231, 0.15);
}

.phase-dot.done {
    border-color: var(--success);
    background: rgba(0, 184, 148, 0.15);
}

.phase-line {
    flex: 1;
    height: 2px;
    background: var(--border);
    margin: 0 4px;
}

.task-stats-row {
    display: flex;
    gap: var(--spacing-md);
    justify-content: space-around;
    margin-top: var(--spacing-md);
}

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

.task-stat-value {
    font-size: 18px;
    font-weight: 700;
}

.task-stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   MINI CARDS
   ============================================ */

.tasks-mini-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.task-mini-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s;
}

.task-mini-card:active {
    transform: scale(0.98);
}

.task-mini-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: 14px;
}

.task-mini-stats {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================
   LEAD CARDS
   ============================================ */

.leads-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.lead-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
}

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

.lead-name {
    font-weight: 600;
    font-size: 15px;
}

.lead-score {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
}

.lead-score.score-high {
    background: rgba(0, 184, 148, 0.15);
    color: var(--success);
}

.lead-score.score-mid {
    background: rgba(253, 203, 110, 0.15);
    color: var(--warning);
}

.lead-score.score-low {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

.lead-reply {
    font-size: 14px;
    font-style: italic;
    margin: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.lead-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   FILTERS & PILLS
   ============================================ */

.language-pills, .filter-pills {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.pill {
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.pill:active {
    transform: scale(0.95);
}

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

/* ============================================
   SETTINGS
   ============================================ */

.settings-card {
    margin-bottom: var(--spacing-lg);
}

.settings-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border);
}

.setting-row:last-child {
    border-bottom: none;
}

.setting-value, .provider-name {
    font-weight: 600;
    color: var(--text-primary);
}

.cost-total {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin: var(--spacing-lg) 0;
    color: var(--accent);
}

.cost-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: 14px;
}

/* ============================================
   SEGMENT CARDS
   ============================================ */

.segment-stats {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.segment-ai {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   STATUS ROW
   ============================================ */

.status-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--spacing-lg));
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    z-index: 9999;
    max-width: 90%;
    text-align: center;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.toast-success {
    background: rgba(0, 184, 148, 0.2);
    border-color: var(--success);
}

.toast.toast-danger {
    background: rgba(255, 118, 117, 0.2);
    border-color: var(--danger);
}

.toast.toast-warning {
    background: rgba(253, 203, 110, 0.2);
    border-color: var(--warning);
}

.toast.toast-info {
    background: rgba(116, 185, 255, 0.2);
    border-color: var(--info);
}

/* ============================================
   ERROR SCREEN
   ============================================ */

.error-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
    text-align: center;
}

.error-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
}

.error-message {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (min-width: 768px) {
    .metrics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .bottom-nav {
        max-width: 600px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }
    
    .tab-content {
        max-width: 800px;
        margin: 0 auto;
    }
}

/* ============================================
   SAFE AREA (for iPhone notch)
   ============================================ */

@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .bottom-nav {
        padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom));
    }
}