/* ===== DESIGN SYSTEM - Meta Corporate Style ===== */
:root {
    --primary: #0066ff;
    --primary-hover: #0052cc;
    --primary-light: rgba(0, 102, 255, 0.1);
    --primary-dark: #0047b3;
    --bg-page: #f5f7f8;
    --bg-card: #ffffff;
    --bg-sidebar: #1e293b;
    --text-primary: #0c131d;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --purple: #8b5cf6;
    --purple-bg: rgba(139, 92, 246, 0.1);
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
    --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --focus-ring: 0 0 0 3px rgba(0, 102, 255, 0.15);
}

/* ===== RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: var(--font);
    background: var(--bg-page);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 14px;
}
a { text-decoration: none; color: inherit; }
input, select, button, textarea { font-family: inherit; }

/* ===== LOGIN ===== */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-page);
}
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow);
}
.login-header {
    text-align: center;
    margin-bottom: 32px;
}
.logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #0066ff, #0047b3);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
}
.logo .material-symbols-outlined { font-size: 24px; }
.login-header h1 {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}
.login-header p {
    color: var(--slate-500);
    margin-top: 4px;
    font-size: 14px;
}
.input-group {
    position: relative;
    margin-bottom: 14px;
}
.input-group .material-symbols-outlined {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--slate-400);
    font-size: 20px;
}
.input-group input {
    width: 100%;
    padding: 12px 14px 12px 44px;
    background: var(--slate-50);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
    outline: none;
}
.input-group input:focus {
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
    background: var(--bg-card);
}
.input-group input::placeholder { color: var(--slate-400); }
.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 6px;
}
.btn-login:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}
.error-message {
    margin-top: 14px;
    padding: 12px;
    background: var(--error-bg);
    border-radius: var(--radius-sm);
    color: var(--error);
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* ===== LAYOUT ===== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: all 0.2s ease;
}
.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.logo-sm {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #0066ff, #0047b3);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}
.logo-sm .material-symbols-outlined { font-size: 20px; }
.logo-text {
    font-size: 16px;
    font-weight: 900;
    color: white;
    letter-spacing: -0.025em;
}
.sidebar-nav {
    flex: 1;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    color: var(--slate-400);
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
}
.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--slate-300);
}
.nav-item.active {
    background: rgba(0, 102, 255, 0.15);
    color: white;
}
.nav-item .material-symbols-outlined {
    font-size: 20px;
}
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--slate-400);
    font-weight: 500;
}
.user-info .material-symbols-outlined { font-size: 22px; }
.btn-logout {
    background: none;
    border: none;
    color: var(--slate-400);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
}
.btn-logout:hover {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}
.btn-logout .material-symbols-outlined { font-size: 20px; }

.main-content {
    margin-left: 260px;
    min-height: 100vh;
    padding: 32px;
}
.topbar {
    display: none;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}
.topbar h2 {
    font-size: 18px;
    font-weight: 700;
}
.menu-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
}

/* ===== PAGE HEADER ===== */
.page-header {
    margin-bottom: 24px;
}
.page-header h2 {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}
.page-header p {
    font-size: 14px;
    color: var(--slate-500);
    margin-top: 4px;
}

/* ===== SECTIONS ===== */
.section { display: none; }
.section.active { display: block; animation: fadeIn 0.2s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== SEARCH ===== */
.search-box {
    margin-bottom: 24px;
}
.search-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 6px 6px 6px 16px;
    gap: 10px;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
}
.search-input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}
.search-input-wrapper > .material-symbols-outlined {
    color: var(--slate-400);
    font-size: 22px;
}
.search-input-wrapper input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    padding: 8px 0;
}
.search-input-wrapper input::placeholder { color: var(--slate-400); }
.btn-search {
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.btn-search:hover {
    background: var(--primary-hover);
}
.btn-search .material-symbols-outlined { font-size: 18px; }

/* ===== IA NOTICE ===== */
.ia-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
}
.ia-notice .material-symbols-outlined { font-size: 20px; }
.ia-notice.ia-on {
    background: var(--success-bg);
    color: var(--success);
}
.ia-notice.ia-off {
    background: var(--warning-bg);
    color: var(--warning);
}

/* ===== LOADING ===== */
.loading {
    text-align: center;
    padding: 48px;
    color: var(--slate-400);
}
.spinner {
    display: inline-block;
}
.spinner .material-symbols-outlined {
    font-size: 32px;
    color: var(--primary);
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading p {
    margin-top: 8px;
    font-size: 14px;
    font-weight: 500;
}

/* ===== LEAD CARDS ===== */
.results-container {
    display: grid;
    gap: 16px;
}
.lead-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
}
.lead-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}
.lead-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    gap: 12px;
    flex-wrap: wrap;
}
.lead-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}
.lead-id {
    font-size: 12px;
    color: var(--slate-400);
    margin-top: 2px;
    font-weight: 500;
}
.ia-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.ia-badge .material-symbols-outlined { font-size: 16px; }
.ia-badge.on {
    background: var(--success-bg);
    color: var(--success);
}
.ia-badge.off {
    background: var(--error-bg);
    color: var(--error);
}
.ia-badge.none {
    background: var(--slate-100);
    color: var(--slate-500);
}
.lead-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}
.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.info-label {
    font-size: 12px;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 600;
}
.info-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}
.lead-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--primary-light);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
}
.lead-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}
.btn-action {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--slate-600);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}
.btn-action .material-symbols-outlined { font-size: 18px; }
.btn-action:hover {
    background: var(--slate-50);
    border-color: var(--slate-300);
}
.btn-action.success {
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.3);
}
.btn-action.success:hover {
    background: var(--success-bg);
}
.btn-action.danger {
    color: var(--error);
    border-color: rgba(239, 68, 68, 0.3);
}
.btn-action.danger:hover {
    background: var(--error-bg);
}

/* ===== FORMS ===== */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
}
.form-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}
.form-card h3 .icon-box {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
}
.form-card h3 .icon-box .material-symbols-outlined { font-size: 20px; }
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
.form-group.full-width { grid-column: 1 / -1; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 6px;
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--slate-50);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
    outline: none;
}
.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
    background: var(--bg-card);
}
.form-group input::placeholder { color: var(--slate-400); }
.form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}
.btn-primary {
    padding: 10px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-primary .material-symbols-outlined { font-size: 18px; }
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}
.btn-secondary {
    padding: 10px 24px;
    background: var(--slate-100);
    color: var(--slate-600);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-secondary:hover {
    background: var(--slate-200);
}
.result-message {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}
.result-message.success {
    background: var(--success-bg);
    color: var(--success);
}
.result-message.error {
    background: var(--error-bg);
    color: var(--error);
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 20px;
}
.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}
.modal-header h3 .material-symbols-outlined { color: var(--primary); font-size: 20px; }
.modal-close {
    background: none;
    border: none;
    color: var(--slate-400);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}
.modal-close:hover {
    background: var(--slate-100);
    color: var(--text-primary);
}
.modal-close .material-symbols-outlined { font-size: 22px; }
.modal-body {
    padding: 24px;
}
.modal-body p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ===== ADMIN ===== */
.users-list {
    display: grid;
    gap: 12px;
}
.user-card {
    background: var(--slate-50);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    transition: all 0.2s ease;
}
.user-card:hover {
    border-color: var(--slate-300);
}
.user-card-info h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 2px;
    color: var(--text-primary);
}
.user-card-info span {
    font-size: 12px;
    color: var(--slate-500);
    font-weight: 500;
}
.admin-badge {
    color: var(--primary);
    font-weight: 700;
}
.user-card-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.pipeline-select {
    padding: 8px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
}
.pipeline-select:focus {
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    z-index: 300;
    animation: slideUp 0.2s ease;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.toast .material-symbols-outlined { font-size: 20px; }
.toast.success {
    background: var(--bg-card);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}
.toast.error {
    background: var(--bg-card);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error);
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== NO RESULTS ===== */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--slate-400);
}
.no-results .material-symbols-outlined {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
    color: var(--slate-300);
}
.no-results p {
    font-size: 14px;
    font-weight: 700;
    color: var(--slate-400);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    .topbar {
        display: flex;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .lead-info {
        grid-template-columns: 1fr 1fr;
    }
    .search-input-wrapper {
        flex-direction: column;
        padding: 12px;
        gap: 8px;
    }
    .search-input-wrapper > .material-symbols-outlined { display: none; }
    .search-input-wrapper input { width: 100%; }
    .btn-search { width: 100%; justify-content: center; }
}

/* ===== SIDEBAR OVERLAY MOBILE ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}
@media (max-width: 768px) {
    .sidebar.open + .sidebar-overlay {
        display: block;
    }
}