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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.navbar {
    background: #1a3a2a;
    color: white;
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-brand { font-size: 1.2rem; font-weight: bold; }
.nav-links a {
    color: #ccc;
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.9rem;
}
.nav-links a:hover, .nav-links a.active { color: white; }
.nav-links .logout { color: #e88; }

.container { max-width: 1000px; margin: 2rem auto; padding: 0 1rem; }

h1 { margin-bottom: 1rem; color: #1a3a2a; }
h2 { margin: 1.5rem 0 0.5rem; color: #1a3a2a; }

.alert {
    padding: 0.8rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}
.alert-error { background: #fde; border: 1px solid #e88; color: #a33; }
.alert-info { background: #def; border: 1px solid #8be; color: #357; }

/* Dashboard cards */
.flow-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.card h2 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.card p { font-size: 0.9rem; color: #666; }
.time-saved { color: #2a7a4a !important; font-weight: 600; margin: 0.5rem 0; }

/* Buttons */
.btn {
    display: inline-block;
    background: #1a3a2a;
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    margin-top: 0.5rem;
}
.btn:hover { background: #2a5a3a; }
.btn-secondary { background: #666; }
.btn-secondary:hover { background: #888; }
.btn-remove {
    background: #e55;
    color: white;
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
}

/* Forms */
.upload-section { margin: 1rem 0; }
.upload-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
}
.upload-row select { padding: 0.4rem; border-radius: 4px; border: 1px solid #ccc; min-width: 200px; }
.upload-row input[type="file"] { flex: 1; }
.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}
.option-group {
    background: white;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin: 1rem 0;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.option-group h3 { font-size: 1rem; margin-bottom: 0.3rem; }

/* Results */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 1rem 0; }
.stat {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.stat-value { display: block; font-size: 2rem; font-weight: bold; color: #1a3a2a; }
.stat-label { font-size: 0.8rem; color: #888; }
.stat-warning .stat-value { color: #c80; }

.download-section { margin: 1rem 0; }

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.5rem 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}
th, td { padding: 0.5rem 0.8rem; text-align: left; border-bottom: 1px solid #eee; font-size: 0.85rem; }
th { background: #1a3a2a; color: white; }
code { background: #f0f0f0; padding: 0.1rem 0.3rem; border-radius: 3px; font-size: 0.8rem; }

.error-list li { color: #c33; margin: 0.3rem 0 0.3rem 1.5rem; }
.warning-list li { color: #a80; margin: 0.3rem 0 0.3rem 1.5rem; }

/* Change log */
.changes-list {
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    overflow: hidden;
    margin: 0.5rem 0 1.5rem;
}
.change-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.45rem 1rem;
    border-bottom: 1px solid #eee;
    font-size: 0.85rem;
}
.change-row:last-child { border-bottom: none; }
.change-name {
    min-width: 180px;
    font-weight: 600;
    color: #1a3a2a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.change-detail { display: flex; align-items: center; gap: 0.4rem; }
.estado-before { color: #888; }
.arrow { color: #1a3a2a; font-weight: bold; font-size: 1rem; }
.estado-after { color: #1a3a2a; font-weight: 600; }
.change-badge {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-weight: 600;
    margin-left: auto;
}
.badge-create { background: #def; color: #357; }
.changes-note { font-size: 0.8rem; color: #888; margin: 0.3rem 0; }

/* Login */
.login-container {
    max-width: 300px;
    margin: 5rem auto;
    text-align: center;
}
.login-container h1 { margin-bottom: 2rem; }
.login-container input {
    width: 100%;
    padding: 0.6rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}
.login-container button { width: 100%; }