@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary: #e8590c;
    --primary-dark: #c2410c;
    --primary-light: #fff4ed;
    --primary-50: #fff7ed;
    --primary-100: #ffedd5;
    --primary-600: #ea580c;
    --primary-700: #c2410c;
    --text: #0f172a;
    --text-secondary: #334155;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --success: #059669;
    --success-light: #ecfdf5;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --info: #2563eb;
    --info-light: #eff6ff;
    --bg: #f8fafc;
    --white: #ffffff;
    --shadow-xs: 0 1px 2px 0 rgba(0,0,0,0.03);
    --shadow-sm: 0 1px 3px 0 rgba(0,0,0,0.06), 0 1px 2px -1px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* LOGIN */
#loginPage {
    background: linear-gradient(160deg, #0c0a1a 0%, #1a1145 25%, #2d1b69 50%, #1e1b4b 75%, #0c0a1a 100%);
    background-size: 400% 400%;
    animation: gradientShift 12s ease infinite;
}
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.login-box {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    padding: 52px 44px 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
}

.login-logo h1 {
    font-family: 'Inter', sans-serif;
    font-size: 52px;
    font-weight: 900;
    letter-spacing: -3px;
    color: #0f172a;
}
.login-logo h1::after {
    content: '';
    position: absolute;
    top: -10px;
    left: 8%;
    right: 8%;
    height: 4px;
    background: linear-gradient(90deg, #ea580c, #f59e0b, #ea580c);
    background-size: 200% 100%;
    animation: shimmer 3s ease infinite;
    border-radius: 2px;
}
@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.login-welcome {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 36px;
    letter-spacing: -0.3px;
}

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    margin-bottom: 7px;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s ease;
    background: var(--white);
    color: var(--text);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(232,89,12,0.08);
}
.form-control::placeholder { color: var(--text-muted); }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #ea580c, #e8590c);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    margin-top: 10px;
    transition: all 0.25s ease;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(234,88,12,0.25);
}
.btn-login:hover {
    background: linear-gradient(135deg, #c2410c, #ea580c);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(234,88,12,0.3);
}
.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.default-admin {
    text-align: center;
    margin-top: 24px;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 2;
}
.default-admin strong { color: var(--text-light); }

/* SIDEBAR */
.sidebar {
    background: var(--white);
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
}

.sidebar-header { padding: 22px 22px 20px; }
.brand-logo h1 {
    font-family: 'Inter', sans-serif;
    font-size: 30px;
    font-weight: 900;
    letter-spacing: -2px;
    color: var(--text);
}
.brand-logo h1::after {
    background: linear-gradient(90deg, #ea580c, #f59e0b);
    top: -7px;
    left: 3%;
    right: 3%;
    height: 3px;
}

.user-info {
    padding: 16px 22px;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, var(--primary-50), var(--white));
}
.user-name {
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 13.5px;
    letter-spacing: -0.2px;
}
.user-role {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 2px;
    font-weight: 500;
}

.nav-menu { padding: 10px 8px; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--text-light);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
    border-radius: var(--radius-sm);
    margin: 2px 0;
}
.nav-item:hover {
    background: var(--primary-50);
    color: var(--primary);
}
.nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}
.nav-item i { font-size: 19px; width: 22px; text-align: center; }

.sidebar-footer { padding: 14px 14px; border-top: 1px solid var(--border-light); }
.logout-btn {
    width: 100%;
    padding: 9px;
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 12.5px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    color: var(--text-light);
    transition: all 0.2s ease;
}
.logout-btn:hover {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
    box-shadow: var(--shadow-sm);
}

/* MAIN CONTENT */
.main-content { margin-left: 260px; min-height: 100vh; display: flex; flex-direction: column; }
.top-header {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    padding: 16px 32px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-xs);
}
.page-title {
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text);
}
.content-area { padding: 28px 32px; flex: 1; }

/* STATS */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(185px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
    background: var(--white);
    padding: 22px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xs);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--border);
    transition: background 0.2s;
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-label {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
}
.stat-value { font-size: 28px; font-weight: 800; letter-spacing: -1px; }

/* TABLE */
.data-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
    background: #f9fafb;
    padding: 12px 16px;
    text-align: left;
    font-size: 10.5px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
    color: var(--text-secondary);
}
tr:hover td { background: #fafbfc; }
tr:last-child td { border-bottom: none; }

/* FILTERS */
.filter-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.filter-group { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.select-filter {
    padding: 8px 34px 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    appearance: none;
    background-color: var(--white);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.15s;
}
.select-filter:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,89,12,0.06); }

.search-input {
    padding: 8px 12px 8px 36px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    font-family: 'Inter', sans-serif;
    width: 210px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E") no-repeat 12px center;
    background-color: var(--white);
    color: var(--text);
    transition: all 0.15s;
}
.search-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,89,12,0.06); }
.search-input::placeholder { color: var(--text-muted); }

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    letter-spacing: 0.1px;
}
.btn-primary {
    background: linear-gradient(135deg, #ea580c, #e8590c);
    color: var(--white);
    box-shadow: 0 1px 4px rgba(234,88,12,0.2);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #c2410c, #ea580c);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(234,88,12,0.25);
}
.btn-secondary {
    background: var(--white);
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
}
.btn-secondary:hover { background: #f8fafc; border-color: #cbd5e1; }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #047857; }
.btn-warning { background: var(--warning); color: var(--white); }
.btn-sm { padding: 6px 12px; font-size: 11.5px; }
.btn-xs { padding: 4px 9px; font-size: 11px; border-radius: 5px; }

/* BADGES */
.badge {
    display: inline-flex;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.badge-deal { background: #ecfdf5; color: #065f46; }
.badge-lead { background: #eff6ff; color: #1e40af; }
.badge-active { background: #ecfdf5; color: #065f46; }
.badge-inactive { background: #fef2f2; color: #991b1b; }
.badge-converted { background: #eef2ff; color: #3730a3; }
.badge-lost { background: #fef2f2; color: #991b1b; }

/* MODALS */
.modal-overlay {
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(6px);
}
.modal-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255,255,255,0.1);
}
.modal-header { padding: 24px 28px 0; }
.modal-title { font-size: 18px; font-weight: 800; letter-spacing: -0.4px; color: var(--text); }
.modal-close {
    background: var(--border-light);
    border: none;
    font-size: 22px;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.15s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-close:hover { background: var(--danger-light); color: var(--danger); }
.modal-body { padding: 22px 28px; }
.modal-footer { padding: 0 28px 24px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
textarea.form-control { resize: vertical; min-height: 72px; font-family: 'Inter', sans-serif; }

/* TOAST */
.toast {
    padding: 14px 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 13px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    border-left: 4px solid var(--success);
    max-width: 380px;
    letter-spacing: 0.1px;
}
.toast.error { border-left-color: var(--danger); }

/* KANBAN */
.kanban-container { gap: 14px; padding-bottom: 16px; }
.kanban-col {
    background: #f9fafb;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}
.kanban-col-header {
    padding: 14px 16px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.1px;
}
.kanban-col-header .count {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 1px 8px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 700;
}
.kanban-card {
    background: var(--white);
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    font-size: 12px;
    box-shadow: var(--shadow-xs);
}
.kanban-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.kanban-card-title { font-weight: 700; margin-bottom: 4px; letter-spacing: -0.1px; }
.kanban-card-meta { color: var(--text-muted); font-size: 11px; }
.kanban-card-amount { font-weight: 800; color: var(--primary); margin-top: 8px; letter-spacing: -0.3px; }

/* VIEW TOGGLE */
.view-toggle {
    background: var(--border-light);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
.view-toggle button {
    padding: 7px 16px;
    font-size: 12.5px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    color: var(--text-muted);
}
.view-toggle button.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-xs);
}

/* SETTINGS */
.settings-tabs {
    gap: 0;
    border-bottom: 2px solid var(--border-light);
}
.settings-tab {
    padding: 11px 22px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
}
.settings-tab:hover { color: var(--text); }
.settings-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.settings-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xs);
}
.settings-card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-light);
}
.settings-card-header h3 { font-size: 14.5px; font-weight: 700; letter-spacing: -0.2px; }

.stage-list li {
    padding: 14px 22px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}
.stage-color { width: 12px; height: 12px; border-radius: 3px; }
.stage-actions { margin-left: auto; }

/* COLUMN PICKER */
.col-picker-dropdown {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 12px;
}
.col-picker-item { padding: 7px 4px; font-size: 12px; font-weight: 500; color: var(--text-secondary); }

/* CUSTOM FIELDS IN FORM */
.custom-field-group {
    padding: 16px;
    margin-top: 10px;
    background: linear-gradient(135deg, #f9fafb, #f8fafc);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}
.custom-field-label {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 12px;
}

/* NOTES */
.notes-list { margin-top: 12px; }
.note-item { padding: 10px 0; border-bottom: 1px solid var(--border-light); }
.note-meta { color: var(--text-muted); font-size: 11px; margin-bottom: 3px; font-weight: 500; }
.note-content { color: var(--text-secondary); line-height: 1.5; }
.note-type-badge {
    font-size: 9.5px;
    padding: 2px 7px;
    border-radius: 4px;
    background: var(--border-light);
    font-weight: 700;
    margin-left: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* EMPTY STATE */
.empty-state {
    padding: 60px 24px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
}
.empty-state i { font-size: 36px; margin-bottom: 14px; opacity: 0.2; }

/* CODE TAG */
code {
    background: #f1f5f9;
    padding: 3px 10px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .sidebar { width: 60px; overflow: hidden; }
    .main-content { margin-left: 60px; }
    .sidebar-header h1, .user-info, .nav-item span, .sidebar-footer span { display: none; }
    .nav-item { justify-content: center; padding: 14px; }
    .sidebar-header { padding: 20px 16px; }
    .user-info { padding: 12px 0; }
}