/* Jaime ANSES — Light & Dark Theme */

:root {
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #16a34a;
    --success-bg: #dcfce7;
    --error: #dc2626;
    --error-bg: #fee2e2;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --table-header: #f1f5f9;
    --table-stripe: #f8fafc;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

[data-theme="dark"] {
    --bg: #0f172a;
    --bg-card: #1e293b;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: #334155;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --success: #22c55e;
    --success-bg: #14532d;
    --error: #ef4444;
    --error-bg: #450a0a;
    --warning: #f59e0b;
    --warning-bg: #451a03;
    --table-header: #334155;
    --table-stripe: #1e293b;
    --input-bg: #1e293b;
    --input-border: #475569;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 24px; box-shadow: var(--shadow); margin-bottom: 16px; }

/* Header */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header .container { display: flex; align-items: center; justify-content: space-between; }
.header h1 { font-size: 18px; font-weight: 700; color: var(--primary); }
.header-controls { display: flex; align-items: center; gap: 12px; }

/* Nav tabs */
.nav-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 2px solid var(--border); padding-bottom: 0; }
.nav-tab {
    padding: 8px 16px;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}
.nav-tab:hover { color: var(--text); }
.nav-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}
.btn:hover { background: var(--table-header); }
.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 4px; font-size: 14px; font-weight: 500; color: var(--text); }
.form-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text);
    font-size: 14px;
    transition: border-color 0.2s;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
    background: var(--table-header);
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}
.data-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.data-table th.text-center, .data-table td.text-center { text-align: center; }
.data-table th { white-space: nowrap; }
.data-table tr:nth-child(even) { background: var(--table-stripe); }
.data-table tr:hover { background: var(--table-header); }

/* Status badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 9999px; font-size: 11px; font-weight: 600; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-error { background: var(--error-bg); color: var(--error); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-pending { background: var(--table-header); color: var(--text-muted); }

/* Stats cards */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { text-align: center; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* Login page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 16px;
}
.login-card { width: 100%; max-width: 400px; }
.login-logo { text-align: center; margin-bottom: 24px; }
.login-logo h1 { font-size: 24px; color: var(--primary); }
.login-logo p { color: var(--text-muted); font-size: 14px; }

/* Theme toggle */
.theme-toggle {
    width: 40px; height: 22px;
    background: var(--input-border);
    border-radius: 11px;
    position: relative;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
}
.theme-toggle::after {
    content: '';
    width: 18px; height: 18px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 2px; left: 2px;
    transition: transform 0.2s;
}
[data-theme="dark"] .theme-toggle { background: var(--primary); }
[data-theme="dark"] .theme-toggle::after { transform: translateX(18px); }

/* Lang toggle */
.lang-toggle { font-size: 13px; font-weight: 500; cursor: pointer; background: none; border: none; color: var(--text-muted); }
.lang-toggle:hover { color: var(--text); }

/* Loading spinner */
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: var(--error-bg); color: var(--error); }
.alert-success { background: var(--success-bg); color: var(--success); }

/* Responsive */
@media (max-width: 768px) {
    .data-table { font-size: 11px; }
    .data-table th, .data-table td { padding: 4px 6px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}