/* -------------------------------------------------------------
   SYSTEM VARIABLES & THEMING
   ------------------------------------------------------------- */
:root {
    --bg-primary: #0a0c16;
    --bg-secondary: #101426;
    --bg-tertiary: #161b33;
    
    --card-bg: rgba(22, 27, 51, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(139, 92, 246, 0.4);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Harmonious HSL Tailored Accent Colors */
    --purple: #8b5cf6;       /* Violeta Eléctrico */
    --purple-glow: rgba(139, 92, 246, 0.25);
    --cyan: #06b6d4;         /* Cian Brillante */
    --cyan-glow: rgba(6, 182, 212, 0.25);
    --green: #10b981;        /* Esmeralda */
    --green-glow: rgba(16, 185, 129, 0.2);
    --orange: #f59e0b;       /* Ámbar */
    --orange-glow: rgba(245, 158, 11, 0.2);
    --red: #ef4444;          /* Coral */
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* -------------------------------------------------------------
   RESET & BASE STYLES
   ------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--purple);
}

/* -------------------------------------------------------------
   MAIN CONTAINER LAYOUT
   ------------------------------------------------------------- */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* SIDEBAR */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--card-border);
}

.logo-icon {
    font-size: 28px;
    background: linear-gradient(135deg, var(--purple), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text h2 {
    font-size: 18px;
    line-height: 1.2;
}

.logo-text span {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-menu {
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
}

.menu-item {
    background: none;
    border: none;
    outline: none;
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-weight: 500;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.menu-item i {
    font-size: 16px;
    transition: var(--transition-smooth);
}

.menu-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.menu-item.active {
    background: linear-gradient(90deg, var(--purple-glow), transparent);
    border-left: 3px solid var(--purple);
    color: var(--text-primary);
}

.menu-item.active i {
    color: var(--purple);
}

.text-cyan {
    color: var(--cyan) !important;
}

.sidebar-footer {
    padding: 20px 16px;
    border-top: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-profile img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--purple);
}

.user-info strong {
    display: block;
    font-size: 13px;
}

.user-info span {
    font-size: 11px;
    color: var(--text-muted);
}

.btn-sync {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-sync:hover {
    border-color: var(--purple);
    box-shadow: 0 0 10px var(--purple-glow);
}

/* MAIN CONTENT */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* TOP HEADER */
.top-header {
    height: 70px;
    padding: 0 32px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(16, 20, 38, 0.4);
    backdrop-filter: blur(10px);
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    padding: 8px 16px;
    border-radius: 20px;
    width: 320px;
    transition: var(--transition-smooth);
}

.search-bar input {
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    width: 100%;
}

.search-bar:focus-within {
    border-color: var(--purple);
    width: 400px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.excel-status-indicator {
    background-color: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.notification-bell {
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
}

/* CONTENT BODY */
.content-body {
    flex-grow: 1;
    padding: 32px;
    overflow-y: auto;
}

.content-section {
    display: none;
    animation: fadeIn 0.4s ease;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-title h1 {
    font-size: 28px;
    margin-bottom: 6px;
}

.section-title p {
    color: var(--text-secondary);
}

/* -------------------------------------------------------------
   BUTTONS
   ------------------------------------------------------------- */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, var(--purple), #7c3aed);
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 0 15px var(--purple-glow);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-link {
    background: none;
    border: none;
    color: var(--purple);
    cursor: pointer;
    font-weight: 500;
}

/* -------------------------------------------------------------
   KPI CARDS GRID
   ------------------------------------------------------------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 24px;
    margin-bottom: 32px;
}

.kpi-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

.kpi-card:hover {
    transform: translateY(-2px);
    border-color: var(--card-hover-border);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.kpi-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.kpi-card.purple .kpi-icon {
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--purple);
}
.kpi-card.green .kpi-icon {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--green);
}
.kpi-card.blue .kpi-icon {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--cyan);
}
.kpi-card.orange .kpi-icon {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--orange);
}

.kpi-info h3 {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.kpi-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    margin: 4px 0;
}

.kpi-meta {
    font-size: 11px;
    color: var(--text-muted);
}

/* -------------------------------------------------------------
   DETAILS CARDS & TABLES
   ------------------------------------------------------------- */
.dashboard-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 1024px) {
    .dashboard-details-grid {
        grid-template-columns: 1fr;
    }
}

.details-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
}

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

.card-header h2 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.badge-orange {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--orange);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Lists */
.vencimientos-list, .pagos-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vencimientos-list li, .pagos-list li {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
}

.vencimientos-list li:hover, .pagos-list li:hover {
    background-color: rgba(255, 255, 255, 0.04);
}

.vencimiento-info, .pago-info {
    display: flex;
    flex-direction: column;
}

.vencimiento-info strong, .pago-info strong {
    font-size: 14px;
    color: var(--text-primary);
}

.vencimiento-info span, .pago-info span {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.vencimiento-debt, .pago-amount {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
}

.vencimiento-debt { color: var(--orange); }
.pago-amount { color: var(--green); }

.loading-li {
    justify-content: center !important;
    color: var(--text-secondary);
    font-style: italic;
}

/* -------------------------------------------------------------
   TABLES
   ------------------------------------------------------------- */
.table-container {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(12px);
}

.crm-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.crm-table th {
    background-color: rgba(0, 0, 0, 0.15);
    padding: 16px 20px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    border-bottom: 1px solid var(--card-border);
}

.crm-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-primary);
}

.crm-table tbody tr:last-child td {
    border-bottom: none;
}

.crm-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

.actions-cell {
    display: flex;
    gap: 8px;
}

.btn-icon {
    background: none;
    border: none;
    outline: none;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-icon-edit {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--cyan);
}
.btn-icon-edit:hover { background-color: var(--cyan); color: white; }

.btn-icon-delete {
    background-color: rgba(ef, 44, 44, 0.1);
    color: var(--red);
}
.btn-icon-delete:hover { background-color: var(--red); color: white; }

/* -------------------------------------------------------------
   EXCEL IMPORT & MAPPING
   ------------------------------------------------------------- */
.excel-import-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.upload-dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.01);
    transition: var(--transition-smooth);
}

.upload-dropzone:hover {
    border-color: var(--purple);
    background-color: rgba(139, 92, 246, 0.02);
}

.upload-icon {
    font-size: 56px;
    color: var(--purple);
    margin-bottom: 20px;
}

.upload-dropzone h3 {
    font-size: 18px;
    margin-bottom: 6px;
}

.upload-dropzone p {
    color: var(--text-secondary);
}

/* Mapping UI */
.mapping-area {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 32px;
    animation: fadeIn 0.4s ease;
}

.mapping-area h2 {
    margin-bottom: 6px;
}

.mapping-help {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.mapping-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.mapping-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
}

.mapping-card h3 {
    font-size: 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 10px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 8px;
    outline: none;
    font-family: var(--font-body);
    transition: var(--transition-smooth);
}

.form-control:focus {
    border-color: var(--purple);
}

.fields-mapping-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mapping-row {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
    gap: 10px;
}

.mapping-row span {
    font-size: 12px;
    color: var(--text-secondary);
}

.mapping-actions {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    border-top: 1px solid var(--card-border);
    padding-top: 24px;
}

/* -------------------------------------------------------------
   AI AGENT CHAT WORKSPACE
   ------------------------------------------------------------- */
.agent-workspace {
    display: grid;
    grid-template-columns: 240px 1fr 280px;
    gap: 20px;
    height: calc(100vh - 170px);
}

@media (max-width: 1100px) {
    .agent-workspace {
        grid-template-columns: 200px 1fr;
    }
    .agent-help-panel {
        display: none;
    }
}

@media (max-width: 768px) {
    .agent-workspace {
        grid-template-columns: 1fr;
    }
    .agent-sessions-panel {
        display: none;
    }
}

/* Sessions Panel */
.agent-sessions-panel {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    backdrop-filter: blur(12px);
    overflow-y: auto;
}

.agent-sessions-panel h3 {
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.sessions-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.session-li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
}

.session-li:hover {
    background-color: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.04);
}

.session-li.active {
    background-color: rgba(139, 92, 246, 0.08);
    border-color: var(--purple-glow);
}

.session-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
    flex-shrink: 0;
}

.session-li.active .session-icon {
    background: linear-gradient(135deg, var(--purple), var(--cyan));
    color: white;
}

.session-li.whatsapp .session-icon {
    color: #25d366;
}

.session-info {
    overflow: hidden;
}

.session-info h4 {
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-info span {
    font-size: 10px;
    color: var(--text-muted);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Chat Header Actions & Provider Dropdown */
.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.select-provider-dropdown {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.select-provider-dropdown:focus {
    border-color: var(--purple);
}

.agent-chat-window {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    backdrop-filter: blur(12px);
}

.chat-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--card-border);
    background-color: rgba(0, 0, 0, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.agent-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.agent-avatar-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--purple), var(--cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
}

.chat-header h2 {
    font-size: 16px;
}

.status-online {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--green);
    margin-top: 2px;
}

.btn-clear-chat {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-clear-chat:hover { color: var(--red); }

.chat-messages {
    flex-grow: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    max-width: 75%;
    display: flex;
    flex-direction: column;
}

.message.model {
    align-self: flex-start;
}

.message.user {
    align-self: flex-end;
}

.msg-content {
    padding: 12px 18px;
    border-radius: 14px;
    font-size: 14px;
    white-space: pre-wrap;
    word-break: break-word;
}

.message.model .msg-content {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-bottom-left-radius: 3px;
}

.message.user .msg-content {
    background-color: var(--purple);
    color: white;
    border-bottom-right-radius: 3px;
}

.msg-time {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 4px;
    padding: 0 4px;
}

.message.user .msg-time {
    align-self: flex-end;
}

.chat-input-area {
    padding: 18px 24px;
    border-top: 1px solid var(--card-border);
    background-color: rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 12px;
}

.chat-input-area input {
    flex-grow: 1;
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 25px;
    padding: 12px 20px;
    color: var(--text-primary);
    outline: none;
    font-family: var(--font-body);
}

.chat-input-area input:focus {
    border-color: var(--purple);
}

.btn-send-message {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--purple), #7c3aed);
    color: white;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.btn-send-message:hover {
    box-shadow: 0 0 10px var(--purple-glow);
    transform: scale(1.05);
}

/* Help Panel */
.agent-help-panel {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(12px);
}

.agent-help-panel h3 {
    font-size: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.example-commands-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.example-commands-list li {
    font-size: 12px;
    color: var(--text-secondary);
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    transition: var(--transition-smooth);
}

.example-commands-list li i {
    color: var(--purple);
    margin-top: 2px;
}

.example-commands-list li:hover {
    border-color: var(--purple);
    background-color: rgba(139, 92, 246, 0.03);
}

/* -------------------------------------------------------------
   WHATSAPP SIMULATOR
   ------------------------------------------------------------- */
.whatsapp-simulator-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 32px;
    align-items: start;
    margin-top: 24px;
}

@media (max-width: 900px) {
    .whatsapp-simulator-layout {
        grid-template-columns: 1fr;
    }
}

/* Phone Mockup Frame */
.phone-frame {
    width: 340px;
    height: 600px;
    background-color: #1e1e1e;
    border: 10px solid #111;
    border-radius: 36px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-image: url('https://user-images.githubusercontent.com/15075759/28719144-86dc0f70-73b1-11e7-911d-60d70fcded21.png'); /* Classic WhatsApp Wallpaper */
    background-color: #0b141a;
    display: flex;
    flex-direction: column;
}

.whatsapp-header {
    background-color: #202c33;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: #e9edef;
}

.wa-back-btn { font-size: 14px; margin-right: 2px; }
.wa-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.wa-user-info {
    flex-grow: 1;
}
.wa-user-info h4 {
    font-size: 13px;
    font-weight: 500;
}
.wa-user-info span {
    font-size: 9px;
    color: #8696a0;
    display: block;
}
.wa-actions {
    display: flex;
    gap: 16px;
    color: #aebac1;
    font-size: 14px;
}

.whatsapp-chat-body {
    flex-grow: 1;
    padding: 16px 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.wa-bubble {
    max-width: 80%;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.4;
    word-break: break-word;
    color: #e9edef;
}

.wa-bubble.received {
    align-self: flex-start;
    background-color: #202c33;
    border-top-left-radius: 0;
}

.wa-bubble.sent {
    align-self: flex-end;
    background-color: #005c4b;
    border-top-right-radius: 0;
}

.whatsapp-input-bar {
    background-color: #202c33;
    padding: 10px 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #8696a0;
}

.whatsapp-input-bar input {
    flex-grow: 1;
    background-color: #2a3942;
    border: none;
    border-radius: 18px;
    padding: 8px 12px;
    color: #e9edef;
    outline: none;
    font-size: 12px;
}

.wa-send-btn {
    background: none;
    border: none;
    color: #00a884;
    font-size: 14px;
    cursor: pointer;
}

/* Console logs */
.console-log-box {
    background-color: #080a10;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px;
    font-family: monospace;
    font-size: 11px;
    color: #38bdf8;
    height: 260px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 24px;
}

.log-line {
    white-space: pre-wrap;
    word-break: break-all;
}

.sim-config-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
}

/* -------------------------------------------------------------
   MODAL DIALOGS
   ------------------------------------------------------------- */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-backdrop.active {
    display: flex;
}

.modal-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    width: 500px;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlide 0.3s ease;
}

.modal-card.modal-lg {
    width: 800px;
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(-30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

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

.close-modal-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

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

.modal-card.modal-lg .form-group-row {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.modal-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--purple);
    margin-top: 20px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    padding-bottom: 6px;
}