/* ===================================================
   Cinda Meta — Component Library
   Minimal SaaS design language (slate + single accent)
   Inspired by Linear / Vercel. Class names are kept
   stable so existing pages restyle automatically.
   =================================================== */

:root {
    --c-accent: #4f46e5;
    --c-accent-hover: #4338ca;
    --c-accent-soft: #eef2ff;
    --c-border: #e9edf3;
    --c-border-strong: #dde3ec;
    --c-surface: #ffffff;
    --c-text: #0f172a;
    --c-muted: #64748b;
    --c-radius: 10px;
    --c-ring: rgba(79, 70, 229, 0.18);
}

/* ---------- Page layout ---------- */
.page-layout {
    max-width: 80rem;
    margin: 0 auto;
    padding: 2rem 1rem;
}
@media (min-width: 640px)  { .page-layout { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .page-layout { padding-left: 2rem;   padding-right: 2rem;   } }

.page-header { margin-bottom: 1.75rem; }
.page-title {
    font-size: 1.625rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--c-text);
    margin-bottom: 0.25rem;
}
.page-subtitle { color: var(--c-muted); font-size: 0.9375rem; }

/* ---------- Cards ---------- */
.card {
    background-color: var(--c-surface);
    border-radius: 14px;
    border: 1px solid var(--c-border);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--c-border);
}
.card-body { padding: 1.5rem; }
.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--c-border);
    background-color: #fbfcfe;
    border-radius: 0 0 14px 14px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    border-radius: var(--c-radius);
    transition: background-color 0.18s ease, color 0.18s ease,
                border-color 0.18s ease, box-shadow 0.18s ease, transform 0.12s ease;
    cursor: pointer;
    border: 1px solid transparent;
    font-family: inherit;
    white-space: nowrap;
}
.btn:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--c-ring); }

/* Primary — solid accent, flat */
.btn-primary {
    background-color: var(--c-accent);
    color: #ffffff;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}
.btn-primary:hover { background-color: var(--c-accent-hover); }

/* Secondary — white with hairline border */
.btn-secondary {
    background-color: var(--c-surface);
    color: #334155;
    border-color: var(--c-border-strong);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}
.btn-secondary:hover { background-color: #f8fafc; border-color: #cbd5e1; }

/* Ghost — borderless */
.btn-ghost { background-color: transparent; color: #475569; }
.btn-ghost:hover { background-color: #f1f5f9; color: var(--c-text); }

.btn-success { background-color: #059669; color: #fff; }
.btn-success:hover { background-color: #047857; }
.btn-danger { background-color: #e11d48; color: #fff; }
.btn-danger:hover { background-color: #be123c; }
.btn-warning { background-color: #d97706; color: #fff; }
.btn-warning:hover { background-color: #b45309; }

.btn-sm { padding: 0.4375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.6875rem 1.25rem; font-size: 0.9375rem; }

/* ---------- Icon buttons ---------- */
.btn-icon {
    width: 2.25rem; height: 2.25rem;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 0.5rem;
    transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
    cursor: pointer; border: none; text-decoration: none;
}
.btn-icon-blue   { background-color: #eef2ff; color: #4f46e5; }
.btn-icon-blue:hover   { background-color: #4f46e5; color: #fff; }
.btn-icon-green  { background-color: #ecfdf5; color: #059669; }
.btn-icon-green:hover  { background-color: #059669; color: #fff; }
.btn-icon-red    { background-color: #fff1f2; color: #e11d48; }
.btn-icon-red:hover    { background-color: #e11d48; color: #fff; }
.btn-icon-purple { background-color: #f5f3ff; color: #7c3aed; }
.btn-icon-purple:hover { background-color: #7c3aed; color: #fff; }
.btn-icon-amber  { background-color: #fffbeb; color: #d97706; }
.btn-icon-amber:hover  { background-color: #d97706; color: #fff; }

/* ---------- Badges ---------- */
.badge {
    display: inline-flex; align-items: center; gap: 0.25rem;
    padding: 0.1875rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: 6px;
    border: 1px solid transparent;
}
.badge-gray   { background-color: #f1f5f9; color: #475569; border-color: #e2e8f0; }
.badge-blue   { background-color: #eef2ff; color: #4338ca; border-color: #e0e7ff; }
.badge-green  { background-color: #ecfdf5; color: #047857; border-color: #d1fae5; }
.badge-red    { background-color: #fff1f2; color: #be123c; border-color: #ffe4e6; }
.badge-amber  { background-color: #fffbeb; color: #b45309; border-color: #fef3c7; }
.badge-purple { background-color: #f5f3ff; color: #6d28d9; border-color: #ede9fe; }

/* ---------- Table container ---------- */
.table-container {
    background-color: var(--c-surface);
    border-radius: 14px;
    border: 1px solid var(--c-border);
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.table { width: 100%; border-collapse: collapse; }
.table thead th {
    background-color: #fbfcfe;
    color: var(--c-muted);
    font-weight: 600;
    font-size: 0.6875rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--c-border);
}
.table tbody td {
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
    color: #334155;
    border-bottom: 1px solid var(--c-border);
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background-color: #fafbfc; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #334155;
    margin-bottom: 0.375rem;
}
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--c-text);
    background-color: var(--c-surface);
    border: 1px solid var(--c-border-strong);
    border-radius: var(--c-radius);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
    font-family: inherit;
}
.form-textarea { resize: vertical; }
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--c-accent);
    box-shadow: 0 0 0 4px var(--c-ring);
}
.form-checkbox, .form-radio {
    width: 1rem; height: 1rem;
    color: var(--c-accent);
    border: 1px solid var(--c-border-strong);
}
.form-checkbox { border-radius: 0.25rem; }

/* ---------- Input groups ---------- */
.input-group { position: relative; }
.input-group-prepend, .input-group-append {
    position: absolute; top: 0; bottom: 0;
    display: flex; align-items: center;
    padding: 0 0.75rem; pointer-events: none;
}
.input-group-prepend { left: 0; }
.input-group-append { right: 0; }
.input-group-text { color: #94a3b8; }

/* ---------- Modal / dialog ---------- */
.modal-overlay {
    position: fixed; inset: 0;
    background-color: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(3px);
    z-index: 50;
}
.modal-content {
    background-color: var(--c-surface);
    border-radius: 16px;
    box-shadow: 0 24px 48px -12px rgba(15, 23, 42, 0.25);
    max-width: 32rem; width: 100%; margin: 1rem;
}
.modal-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--c-border); }
.modal-body { padding: 1.5rem; }
.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--c-border);
    background-color: #fbfcfe;
    display: flex; align-items: center; justify-content: flex-end; gap: 0.75rem;
    border-radius: 0 0 16px 16px;
}

/* ---------- Alerts ---------- */
.alert { padding: 0.875rem 1rem; border-radius: 12px; border: 1px solid; margin-bottom: 1rem; font-size: 0.875rem; }
.alert-info    { background-color: #eef2ff; border-color: #e0e7ff; color: #3730a3; }
.alert-success { background-color: #ecfdf5; border-color: #d1fae5; color: #065f46; }
.alert-warning { background-color: #fffbeb; border-color: #fef3c7; color: #92400e; }
.alert-danger  { background-color: #fff1f2; border-color: #ffe4e6; color: #9f1239; }

/* ---------- Divider ---------- */
.divider { border-top: 1px solid var(--c-border); margin: 1.5rem 0; }
.divider-vertical { border-left: 1px solid var(--c-border); margin: 0 1rem; }

/* ---------- Loading ---------- */
.skeleton { animation: pulse 1.8s cubic-bezier(0.4, 0, 0.6, 1) infinite; background-color: #e9edf3; border-radius: 8px; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.spinner {
    display: inline-block; width: 1.25rem; height: 1.25rem;
    border: 2px solid currentColor; border-right-color: transparent;
    border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Utilities ---------- */
.text-gradient {
    background: var(--c-accent);
    background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.bg-gradient-primary { background: var(--c-accent); }
.shadow-soft { box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04); }

/* ---------- DataTables ---------- */
.dataTables_wrapper { padding: 1rem 1.25rem; }
.dataTables_wrapper .dataTables_length { margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label { font-size: 0.8125rem; font-weight: 500; color: #475569; }
.dataTables_wrapper .dataTables_length select {
    padding: 0.4375rem 2rem 0.4375rem 0.75rem;
    border: 1px solid var(--c-border-strong);
    border-radius: 8px; font-size: 0.8125rem; background-color: #fff;
    font-family: inherit; cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center; background-repeat: no-repeat; background-size: 1.25em 1.25em;
}
.dataTables_wrapper .dataTables_filter { margin-bottom: 1rem; display: flex; align-items: center; justify-content: flex-end; gap: 0.5rem; }
.dataTables_wrapper .dataTables_filter input {
    padding: 0.4375rem 0.875rem; border: 1px solid var(--c-border-strong);
    border-radius: 8px; font-size: 0.8125rem; font-family: inherit; min-width: 240px;
}
.dataTables_wrapper .dataTables_length select:focus,
.dataTables_wrapper .dataTables_filter input:focus {
    outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 4px var(--c-ring);
}
.dataTables_wrapper .dataTables_info { padding: 1rem 0; font-size: 0.8125rem; color: var(--c-muted); }
.dataTables_wrapper .dataTables_paginate { padding: 1rem 0; display: flex; align-items: center; justify-content: flex-end; gap: 0.25rem; }
.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 0.4375rem 0.75rem !important; border: 1px solid var(--c-border) !important;
    border-radius: 8px !important; background-color: #fff !important; color: #475569 !important;
    font-size: 0.8125rem !important; font-weight: 500 !important; cursor: pointer !important;
    transition: all 0.18s !important; font-family: inherit !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover { background-color: #f1f5f9 !important; border-color: var(--c-border-strong) !important; }
.dataTables_wrapper .dataTables_paginate .paginate_button.current { background-color: var(--c-accent) !important; color: #fff !important; border-color: var(--c-accent) !important; }
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled { color: #cbd5e1 !important; cursor: not-allowed !important; opacity: 0.5 !important; }
.dataTables_wrapper .dataTables_processing {
    position: absolute; top: 50%; left: 50%; width: 200px; margin-left: -100px; margin-top: -26px;
    padding: 1rem; background-color: #fff; border: 1px solid var(--c-border); border-radius: 12px;
    text-align: center; box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.1); font-size: 0.8125rem; color: #475569; z-index: 50;
}
.dataTables_wrapper .dataTables_empty { text-align: center; padding: 2rem; color: #94a3b8; font-size: 0.875rem; }

/* ---------- Select2 ---------- */
.select2-container--default .select2-selection--single {
    border: 1px solid var(--c-border-strong); border-radius: var(--c-radius); height: 2.625rem;
}
.select2-container--default .select2-selection--single .select2-selection__rendered { padding: 0.5625rem 0.875rem; font-size: 0.9375rem; }
.select2-container--default .select2-selection--single .select2-selection__arrow { height: 2.625rem; }
.select2-dropdown { border: 1px solid var(--c-border-strong); border-radius: var(--c-radius); box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.1); }
.select2-container--default .select2-results__option--highlighted[aria-selected] { background-color: var(--c-accent); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .page-title { font-size: 1.375rem; }
    .card { border-radius: 12px; }
}