/* ═══ RESET & BASE ═══ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0066ff;
    --primary-dark: #0044cc;
    --primary-light: #3385ff;
    --secondary: #ff6b35;
    --success: #00c853;
    --warning: #f7971e;
    --danger: #dc3545;
    --dark: #0a1628;
    --dark-light: #1a365d;
    --gray: #94a3b8;
    --gray-dark: #64748b;
    --light-gray: #e9edf2;
    --bg: #f4f7fc;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 260px;
    --header-height: 70px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ═══ SCROLLBAR ═══ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--light-gray);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ═══ LOGIN PAGE ═══ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark), var(--dark-light));
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.05), transparent 70%);
    border-radius: 50%;
}

.login-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 2;
}

.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-brand .brand-icon {
    font-size: 3.5rem;
    display: block;
    margin-bottom: 8px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.login-brand h1 {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.5px;
}

.login-brand p {
    color: var(--gray);
    font-size: 0.95rem;
}

.login-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 36px;
    box-shadow: var(--shadow-lg);
}

.login-box h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.login-box .form-group {
    margin-bottom: 18px;
}

.login-box .form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 4px;
    color: var(--dark);
}

.login-box .form-group label i {
    margin-right: 6px;
    color: var(--gray);
}

.login-box .form-group input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--light-gray);
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: var(--font);
    background: var(--bg);
}

.login-box .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.08);
}

.login-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--light-gray);
    text-align: center;
    font-size: 0.8rem;
    color: var(--gray);
}

.login-footer small {
    display: inline-block;
    padding: 2px 0;
}

/* ═══ BUTTONS ═══ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.4);
    color: var(--white);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary), #e53e00);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
    color: var(--white);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #009624);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 200, 83, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 200, 83, 0.4);
    color: var(--white);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #c82333);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(220, 53, 69, 0.4);
    color: var(--white);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-dark);
    border: 2px solid var(--light-gray);
}

.btn-ghost:hover {
    background: var(--bg);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ═══ APP CONTAINER ═══ */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ═══ SIDEBAR ═══ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--dark);
    color: var(--gray);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
    overflow-y: auto;
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.1);
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    font-size: 1.8rem;
}

.brand-text {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--gray);
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: auto;
}

/* ─── User Info ─── */
.user-info {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    display: block;
    font-weight: 600;
    color: var(--white);
    font-size: 0.95rem;
}

.user-role {
    display: block;
    font-size: 0.7rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* ─── Navigation ─── */
.sidebar-nav {
    flex: 1;
    padding: 12px 0;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    cursor: pointer;
    transition: var(--transition);
    gap: 14px;
    color: var(--gray);
    position: relative;
    border-radius: 0 50px 50px 0;
    margin: 2px 8px 2px 0;
}

.sidebar-nav li:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
}

.sidebar-nav li.active {
    background: rgba(0, 102, 255, 0.15);
    color: var(--white);
    border-right: 3px solid var(--primary);
}

.sidebar-nav li i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.sidebar-nav li .badge {
    margin-left: auto;
    background: var(--primary);
    color: var(--white);
    padding: 1px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
}

.sidebar-nav li.hidden {
    display: none;
}

/* ─── Sidebar Footer ─── */
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ═══ MAIN CONTENT ═══ */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ═══ HEADER ═══ */
.main-header {
    background: var(--white);
    padding: 12px 24px;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    min-height: var(--header-height);
    box-shadow: var(--shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--dark);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--bg);
}

.header-left h1 {
    font-size: 1.3rem;
    font-weight: 700;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg);
    border-radius: 50px;
    padding: 4px 14px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.06);
}

.search-box i {
    color: var(--gray);
    margin-right: 8px;
    font-size: 0.9rem;
}

.search-box input {
    border: none;
    background: transparent;
    padding: 6px 0;
    font-size: 0.85rem;
    outline: none;
    width: 160px;
    font-family: var(--font);
}

.search-box input::placeholder {
    color: var(--gray);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ═══ VIEW SECTIONS ═══ */
.view-section {
    display: none;
    padding: 20px 24px;
    flex: 1;
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══ DATE RANGE FILTER ═══ */
.date-range-filter {
    background: var(--white);
    padding: 12px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--light-gray);
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.date-range-filter .filter-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.date-btn {
    padding: 4px 14px;
    font-size: 0.8rem;
}

.date-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.custom-date-range {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.custom-date-range input[type="date"] {
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--light-gray);
    font-size: 0.85rem;
    font-family: var(--font);
}

.custom-date-range span {
    color: var(--gray);
}

/* ═══ STATS GRID ═══ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    padding: 16px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
}
.stat-icon.green {
    background: rgba(0, 200, 83, 0.1);
    color: var(--success);
}
.stat-icon.orange {
    background: rgba(247, 151, 30, 0.1);
    color: var(--warning);
}
.stat-icon.purple {
    background: rgba(128, 0, 255, 0.1);
    color: #8000ff;
}
.stat-icon.red {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}
.stat-icon.teal {
    background: rgba(0, 128, 128, 0.1);
    color: #008080;
}

.stat-info {
    flex: 1;
}

.stat-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ═══ CARDS ═══ */
.card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--light-gray);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.card-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
}

.card-body {
    padding: 16px 18px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

/* ═══ EMPTY STATE ═══ */
.empty-state {
    text-align: center;
    padding: 30px 20px;
    color: var(--gray);
}

.empty-state i {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 10px;
    color: var(--light-gray);
}

.empty-state p {
    margin: 0;
    font-size: 0.9rem;
}

/* ═══ TOOLBAR ═══ */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.filter-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group select,
.filter-group input {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--light-gray);
    font-size: 0.85rem;
    background: var(--white);
    font-family: var(--font);
    color: var(--dark);
    min-height: 36px;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.08);
}

.search-input {
    min-width: 180px;
}

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

/* ═══ TABLE ═══ */
.table-container {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--light-gray);
    box-shadow: var(--shadow);
}

.crm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    min-width: 1200px;
}

.crm-table th {
    text-align: left;
    padding: 8px 10px;
    background: var(--bg);
    font-weight: 600;
    color: var(--gray-dark);
    border-bottom: 2px solid var(--light-gray);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 5;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.crm-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--light-gray);
    vertical-align: middle;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.crm-table tr:hover td {
    background: var(--bg);
}

.crm-table .empty-state td {
    text-align: center;
    padding: 30px;
}

/* ─── Status Badges ─── */
.status-badge {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
}

.status-badge.active {
    background: rgba(0, 200, 83, 0.15);
    color: var(--success);
}
.status-badge.pending {
    background: rgba(247, 151, 30, 0.15);
    color: var(--warning);
}
.status-badge.cancelled {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}
.status-badge.expired {
    background: rgba(128, 128, 128, 0.1);
    color: #666;
}
.status-badge.charged {
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
}
.status-badge.processed {
    background: rgba(0, 200, 83, 0.15);
    color: var(--success);
}
.status-badge.refunded {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}
.status-badge.voided {
    background: rgba(128, 128, 128, 0.1);
    color: #666;
}
.status-badge.paid {
    background: rgba(0, 200, 83, 0.15);
    color: var(--success);
}
.status-badge.overdue {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}
.status-badge.completed {
    background: rgba(0, 200, 83, 0.15);
    color: var(--success);
}
.status-badge.failed {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

/* ─── Role Badges ─── */
.role-badge {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
}

.role-badge.owner {
    background: rgba(128, 0, 255, 0.15);
    color: #8000ff;
}
.role-badge.admin {
    background: rgba(0, 102, 255, 0.15);
    color: var(--primary);
}
.role-badge.agent {
    background: rgba(0, 200, 83, 0.15);
    color: var(--success);
}

/* ─── Action Buttons ─── */
.action-btns {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.action-btns button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
    color: var(--gray);
    font-size: 0.85rem;
}

.action-btns button:hover {
    background: var(--bg);
    color: var(--primary);
}

.action-btns .edit-btn:hover {
    color: var(--primary);
}

.action-btns .status-btn:hover {
    color: var(--warning);
}

.action-btns .delete-btn:hover {
    color: var(--danger);
}

/* ═══ CONTACT GRID ═══ */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.contact-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--light-gray);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.contact-card .avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
}

.contact-card .name {
    font-weight: 700;
    font-size: 1.1rem;
}

.contact-card .email {
    color: var(--gray);
    font-size: 0.85rem;
}

.contact-card .phone {
    color: var(--gray);
    font-size: 0.85rem;
}

.contact-card .contact-actions {
    margin-top: 12px;
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ═══ CALENDAR ═══ */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--light-gray);
    padding: 12px;
}

.calendar-grid .cal-header {
    font-weight: 600;
    text-align: center;
    padding: 8px;
    font-size: 0.8rem;
    color: var(--gray-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calendar-grid .cal-day {
    text-align: center;
    padding: 8px 4px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-grid .cal-day:hover {
    background: var(--bg);
}

.calendar-grid .cal-day.other-month {
    color: var(--gray);
}

.calendar-grid .cal-day.today {
    background: var(--primary);
    color: var(--white);
    font-weight: 700;
}

.calendar-grid .cal-day.has-event {
    position: relative;
}

.calendar-grid .cal-day.has-event::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* ═══ REPORTS ═══ */
.reports-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.reports-grid .card {
    min-height: 300px;
}

/* ═══ SETTINGS ═══ */
.settings-container {
    max-width: 800px;
    margin: 0 auto;
}

.settings-container h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.settings-group {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--light-gray);
    padding: 24px;
    margin-bottom: 24px;
}

.settings-group h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--light-gray);
}

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

.settings-form .form-group {
    margin-bottom: 0;
}

.settings-form .form-group:last-child {
    grid-column: 1 / -1;
}

.settings-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ═══ FORM GROUPS ═══ */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 4px;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--light-gray);
    font-size: 0.9rem;
    transition: var(--transition);
    font-family: var(--font);
    background: var(--white);
    color: var(--dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.06);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

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

/* ═══ MODAL ═══ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

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

.modal {
    background: var(--white);
    border-radius: var(--radius);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal.modal-sm {
    max-width: 450px;
}

.modal.modal-lg {
    max-width: 1000px;
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
    padding: 4px;
}

.modal-close:hover {
    color: var(--danger);
    transform: rotate(90deg);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-body .form-row {
    margin-bottom: 0;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--light-gray);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-shrink: 0;
}

/* ═══ TOAST NOTIFICATIONS ═══ */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 380px;
    width: 100%;
}

.toast {
    background: var(--white);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-left-color: var(--success);
}
.toast.error {
    border-left-color: var(--danger);
}
.toast.warning {
    border-left-color: var(--warning);
}

.toast .toast-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.toast .toast-message {
    flex: 1;
    font-size: 0.9rem;
}

.toast .toast-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray);
    font-size: 1.1rem;
    padding: 4px;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1200px) {
    .crm-table {
        font-size: 0.75rem;
    }
    .crm-table th,
    .crm-table td {
        padding: 6px 8px;
    }
}

@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .reports-grid {
        grid-template-columns: 1fr;
    }
    .settings-form {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-close {
        display: block;
    }

    .menu-toggle {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .main-header {
        padding: 10px 16px;
    }

    .view-section {
        padding: 12px 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card {
        padding: 12px 14px;
    }

    .stat-value {
        font-size: 1.1rem;
    }

    .search-box input {
        width: 100px;
    }

    .search-box {
        padding: 4px 10px;
    }

    .header-right {
        gap: 10px;
    }

    .date-range-filter {
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px;
    }

    .date-range-filter .filter-group {
        justify-content: center;
    }

    .custom-date-range {
        justify-content: center;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        justify-content: center;
    }

    .toolbar-actions {
        justify-content: center;
    }

    .modal {
        max-width: 100%;
        margin: 10px;
        max-height: 95vh;
    }

    .modal-body {
        padding: 16px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .calendar-grid {
        padding: 8px;
        gap: 2px;
    }

    .calendar-grid .cal-day {
        min-height: 32px;
        font-size: 0.75rem;
        padding: 4px 2px;
    }

    .toast-container {
        top: 10px;
        right: 10px;
        max-width: calc(100% - 20px);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .stat-card {
        padding: 10px 12px;
        gap: 10px;
    }

    .stat-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

    .stat-value {
        font-size: 1rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    .login-box {
        padding: 24px 20px;
    }

    .login-brand h1 {
        font-size: 1.8rem;
    }

    .btn {
        font-size: 0.8rem;
        padding: 8px 16px;
    }

    .btn-sm {
        font-size: 0.7rem;
        padding: 4px 10px;
    }

    .modal-header {
        padding: 12px 16px;
    }

    .modal-header h3 {
        font-size: 1rem;
    }

    .modal-body {
        padding: 12px 16px;
    }

    .header-left h1 {
        font-size: 1rem;
    }

    .search-box input {
        width: 80px;
        font-size: 0.75rem;
    }
}

/* ═══ PRINT STYLES ═══ */
@media print {
    .sidebar,
    .main-header,
    .toolbar,
    .date-range-filter,
    .action-btns {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
    }

    .view-section {
        display: block !important;
        padding: 20px !important;
    }

    .card {
        break-inside: avoid;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }

    .crm-table {
        font-size: 0.7rem !important;
    }
}