:root {
    --color-primary: #116AB2;
    --color-secondary: #1CA59C;
    --color-accent-light: #57C8E3;
    --color-text-dark: #1E1E1E;
    --color-text-light: #FFFFFF;
    --color-bg-base: #FFFFFF;
    --color-bg-muted: #F5F7FA;
    --color-border: #E1E4E8;
    --color-error: #E74C3C;
    --color-success: #27AE60;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-ui: 'Poppins', sans-serif;
    --color-warning:   #F39C12;  /* alertas / parcial  */
    --color-exit:      #E67E22;  /* naranja de salida  */
    --color-exit-dark: #C0392B;  /* rojo oscuro salida */
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-muted);
    color: var(--color-text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

.main-container {
    flex: 1;
}

  /* NAVBAR */
.navbar-custom {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-light) !important;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i { font-size: 1.8rem; }

.navbar-nav .nav-link {
    font-family: var(--font-ui);
    color: var(--color-text-light) !important;
    font-weight: 500;
    padding: 0.5rem 1.5rem !important;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.25);
}

.badge-notification {
    background-color: var(--color-error);
    color: white;
    border-radius: 50%;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    position: absolute;
    top: 5px;
    right: 5px;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.5);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

  /* BOTONES */
.btn {
    font-family: var(--font-ui);
    font-weight: 500;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-text-light);
    box-shadow: 0 4px 15px rgba(17, 106, 178, 0.2);
}

.btn-outline-secondary {
    border: 2px solid var(--color-border);
    color: var(--color-text-dark);
    background-color: transparent;
}

.btn-success {
    background-color: var(--color-success);
    color: white;
}

  /* FORMULARIOS */
.form-label {
    font-family: var(--font-ui);
    font-weight: 500;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 2px solid var(--color-border);
    border-radius: 8px;
    padding: 0.75rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.form-text {
    font-size: 0.85rem;
    color: #6c757d;
    margin-top: 0.25rem;
}

  /* FOOTER */
.footer {
    background-color: var(--color-text-dark);
    color: var(--color-text-light);
    margin-top: auto;
}

@media (max-width: 768px) {
    .navbar-brand { font-size: 1.2rem; }
    .btn { width: 100%; margin-bottom: 0.5rem; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes scaleIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}