/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f5f6fa; color: #1a1a2e; }
a { text-decoration: none; color: inherit; }

/* ===== Login ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}
.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 48px 40px;
    width: 360px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}
.login-logo { text-align: center; }
.logo-emoji { font-size: 48px; display: block; margin-bottom: 8px; }
.login-logo h1 { font-size: 28px; font-weight: 700; color: #1a1a2e; }
.login-logo p { font-size: 13px; color: #666; margin-top: 4px; }
.login-divider { width: 100%; height: 1px; background: #eee; }
.login-subtitle { font-size: 14px; color: #555; }
.login-error { color: #e53935; font-size: 13px; text-align: center; }
.login-footer { font-size: 12px; color: #aaa; display: flex; gap: 8px; }

/* ===== App Layout ===== */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: #1a1a2e;
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 24px 0;
    flex-shrink: 0;
}
.sidebar-logo {
    font-size: 20px;
    font-weight: 700;
    padding: 0 24px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-nav {
    list-style: none;
    padding: 16px 0;
    flex: 1;
}
.sidebar-nav li a {
    display: block;
    padding: 10px 24px;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    border-left: 3px solid transparent;
    transition: all 0.15s;
}
.sidebar-nav li a:hover,
.sidebar-nav li.active a {
    color: #fff;
    background: rgba(255,255,255,0.08);
    border-left-color: #5AC3B9;
}
.sidebar-user {
    padding: 16px 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 13px;
}
.user-nombre { display: block; font-weight: 600; color: #fff; }
.user-email { display: block; color: rgba(255,255,255,0.5); font-size: 12px; margin-top: 2px; }
.btn-logout {
    margin-top: 12px;
    width: 100%;
    padding: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-logout:hover { background: rgba(255,255,255,0.2); color: #fff; }

.main-content { flex: 1; padding: 32px; overflow-y: auto; }

.page-header { margin-bottom: 28px; }
.page-header h2 { font-size: 24px; font-weight: 700; }
.page-subtitle { font-size: 14px; color: #666; margin-top: 4px; }

.placeholder-card {
    background: #fff;
    border-radius: 12px;
    padding: 48px;
    text-align: center;
    color: #888;
    border: 2px dashed #ddd;
    font-size: 16px;
}

/* ===== Semáforo ===== */
.sem-sin-dato    { color: #D9D9D9; }
.sem-no-iniciado { color: #F03C64; }
.sem-muy-bajo    { color: #E06C86; }
.sem-desarrollo  { color: #FAB919; }
.sem-avanzado    { color: #A6E5DF; }
.sem-institucionalizado { color: #5AC3B9; }