/* =====================================================
   Theme Teal & White - Modern Design
   ===================================================== */

:root {
    --color-teal-primary: #008B8B;
    --color-teal-light: #20B2AA;
    --color-teal-lighter: #48D1CC;
    --color-teal-bg: #E0F2F1;
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Base Styles ===== */
* {
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--color-gray-50);
    color: var(--color-gray-800);
    line-height: 1.6;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-gray-900);
}

p {
    color: var(--color-gray-600);
}

a {
    color: var(--color-teal-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--color-teal-light);
}

/* ===== Cards ===== */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
    background-color: var(--color-white);
}

.card:hover {
    box-shadow: 0 10px 30px rgba(0, 139, 139, 0.15);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--color-teal-primary) 0%, var(--color-teal-light) 100%);
    color: var(--color-white);
    border: none;
    border-radius: 12px 12px 0 0;
    padding: 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: var(--color-gray-50);
    border: none;
    border-radius: 0 0 12px 12px;
    padding: 1rem 1.5rem;
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* ===== Buttons ===== */
.btn {
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary,
.btn-teal {
    background: linear-gradient(135deg, var(--color-teal-primary) 0%, var(--color-teal-light) 100%);
    color: var(--color-white);
}

.btn-primary:hover,
.btn-teal:hover {
    background: linear-gradient(135deg, var(--color-teal-light) 0%, var(--color-teal-primary) 100%);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 139, 139, 0.3);
}

.btn-outline-teal {
    color: var(--color-teal-primary);
    border: 2px solid var(--color-teal-primary);
}

.btn-outline-teal:hover {
    background-color: var(--color-teal-primary);
    color: var(--color-white);
}

.btn-secondary {
    background-color: var(--color-gray-400);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-gray-500);
    color: var(--color-white);
}

/* ===== Forms ===== */
.form-control,
.form-select {
    border-radius: 8px;
    border: 2px solid var(--color-gray-200);
    padding: 0.7rem 1rem;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
    background-color: var(--color-white);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-teal-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 139, 139, 0.15);
    color: var(--color-gray-900);
}

.form-label {
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.input-group-text {
    background-color: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    color: var(--color-gray-600);
}

/* ===== Badges ===== */
.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.8rem;
}

.badge-teal {
    background-color: var(--color-teal-bg);
    color: var(--color-teal-primary);
}

/* ===== Tables ===== */
.table {
    border-collapse: collapse;
}

.table thead th {
    background-color: var(--color-teal-bg);
    color: var(--color-teal-primary);
    font-weight: 700;
    border: none;
    padding: 1rem;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.table tbody tr {
    border-bottom: 1px solid var(--color-gray-200);
    transition: var(--transition-smooth);
}

.table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.table tbody td {
    padding: 1rem;
    color: var(--color-gray-700);
    vertical-align: middle;
}

/* ===== Navbar ===== */
.navbar {
    padding: 0;
    background: linear-gradient(135deg, var(--color-teal-primary) 0%, var(--color-teal-light) 100%);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-white);
    margin-left: 0;
}

.navbar-brand:hover {
    color: var(--color-gray-100);
}

.nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    color: var(--color-white) !important;
}

.nav-link.active {
    color: var(--color-white) !important;
    border-bottom: 3px solid rgba(255, 255, 255, 0.5);
    padding-bottom: 0.5rem;
}

/* ===== Dropdown ===== */
.dropdown-menu {
    border: none;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.dropdown-item {
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    transition: var(--transition-smooth);
    color: var(--color-gray-700);
}

.dropdown-item:hover {
    background-color: var(--color-teal-bg);
    color: var(--color-teal-primary);
}

.dropdown-divider {
    margin: 0.5rem 0;
    border-color: var(--color-gray-200);
}

/* ===== Modals ===== */
.modal-header {
    background: linear-gradient(135deg, var(--color-teal-primary) 0%, var(--color-teal-light) 100%);
    color: var(--color-white);
    border: none;
    padding: 1.5rem;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid var(--color-gray-200);
    padding: 1.5rem;
}

/* ===== Alert ===== */
.alert {
    border: none;
    border-radius: 8px;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(0, 139, 139, 0.1);
    border-left-color: var(--color-teal-primary);
    color: var(--color-teal-primary);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-left-color: #ef4444;
    color: #dc2626;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-left-color: #f59e0b;
    color: #d97706;
}

.alert-info {
    background-color: rgba(0, 139, 139, 0.1);
    border-left-color: var(--color-teal-primary);
    color: var(--color-teal-primary);
}

/* ===== Pagination ===== */
.pagination {
    gap: 0.5rem;
}

.page-link {
    border: none;
    border-radius: 6px;
    color: var(--color-teal-primary);
    background-color: var(--color-white);
    transition: var(--transition-smooth);
    margin: 0 0.25rem;
}

.page-link:hover {
    background-color: var(--color-teal-primary);
    color: var(--color-white);
}

.page-item.active .page-link {
    background-color: var(--color-teal-primary);
    border-color: var(--color-teal-primary);
    color: var(--color-white);
}

/* ===== Status Badges ===== */
.status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-sent {
    background-color: rgba(148, 163, 184, 0.2);
    color: #64748b;
}

.status-process {
    background-color: rgba(59, 130, 246, 0.2);
    color: #1e40af;
}

.status-completed {
    background-color: rgba(34, 197, 94, 0.2);
    color: #166534;
}

/* ===== Utility Classes ===== */
.text-teal {
    color: var(--color-teal-primary) !important;
}

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

.bg-teal {
    background-color: var(--color-teal-primary) !important;
}

.bg-teal-light {
    background-color: var(--color-teal-light) !important;
}

.bg-teal-lighter {
    background-color: var(--color-teal-bg) !important;
}

.border-teal {
    border-color: var(--color-teal-primary) !important;
}

.shadow-soft {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.shadow-md {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.transition-all {
    transition: var(--transition-smooth);
}

.rounded-lg {
    border-radius: 12px;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

/* ===== Footer ===== */
footer {
    background-color: var(--color-white);
    color: var(--color-gray-600);
    font-size: 0.9rem;
    margin-top: auto;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .table {
        font-size: 0.85rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .nav-link {
        padding: 0.75rem 1rem !important;
    }
}

/* ===== Animation ===== */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slideIn {
    animation: slideIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease-in-out;
}