/* ═══════════════════════════════════════════════════════════════
   VARIABLES Y RESET
   ═══════════════════════════════════════════════════════════════ */
:root {
    --primary: #2e7d32;      /* Verde oscuro */
    --primary-light: #4caf50;/* Verde claro */
    --secondary: #f57c00;    /* Naranja */
    --bg-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-dark: #333333;
    --text-light: #777777;
    --border-color: #e0e0e0;
    --danger: #d32f2f;
    --shadow: 0 4px 6px rgba(0,0,0,0.05);
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: var(--font-family); }

body {
    background-color: var(--bg-color);
    color: var(--text-dark);
    overflow-x: hidden;
}

.hidden { display: none !important; }
.view { min-height: 100vh; }

/* ═══════════════════════════════════════════════════════════════
   LOGIN
   ═══════════════════════════════════════════════════════════════ */
#view-login {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 20px;
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo { font-size: 50px; margin-bottom: 10px; }
.login-box h1 { color: var(--primary); margin-bottom: 5px; }
.login-box p { color: var(--text-light); margin-bottom: 25px; font-size: 14px; }

.input-group {
    position: relative;
    margin-bottom: 15px;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.input-group input {
    width: 100%;
    padding: 12px 15px 12px 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    transition: 0.3s;
}

.input-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(46,125,50,0.1); }

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.btn-primary:hover { background: var(--primary-light); }

.error-msg {
    background: #ffebee;
    color: var(--danger);
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 13px;
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════════
   APP LAYOUT (Sidebar + Header)
   ═══════════════════════════════════════════════════════════════ */
.app-header {
    background: var(--card-bg);
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 15px; }
.header-left h2 { font-size: 18px; color: var(--primary); }

.btn-menu { background: none; border: none; font-size: 20px; color: var(--text-dark); cursor: pointer; padding: 5px; }

.header-right { display: flex; gap: 15px; align-items: center; font-size: 14px; color: var(--text-light); }
.user-badge { background: #e8f5e9; color: var(--primary); padding: 5px 12px; border-radius: 20px; font-weight: 600; }

.app-main { padding: 20px; max-width: 1400px; margin: 0 auto; }

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0; left: -280px;
    width: 280px; height: 100vh;
    background: var(--card-bg);
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
}

.sidebar.open { left: 0; }

.sidebar-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    display: none;
}

.sidebar-overlay.active { display: block; }

.sidebar-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px; border-bottom: 1px solid var(--border-color);
}

.btn-icon { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--text-light); }

.nav-links { list-style: none; flex: 1; padding: 20px 0; }
.nav-links li a {
    display: flex; align-items: center; gap: 15px;
    padding: 15px 20px; text-decoration: none; color: var(--text-dark);
    font-weight: 600; transition: 0.2s;
}
.nav-links li a:hover { background: #f1f8e9; color: var(--primary); border-right: 4px solid var(--primary); }
.nav-links li a i { width: 20px; text-align: center; color: var(--primary); }

.sidebar-footer { padding: 20px; border-top: 1px solid var(--border-color); }
.btn-logout { width: 100%; padding: 10px; background: #ffebee; color: var(--danger); border: none; border-radius: 8px; cursor: pointer; font-weight: 600; }