/* =========================================================
   header.css — Header fijo con animación de scroll
   Colores: Azul oscuro/índigo y dorado (ámbito literario)
   ========================================================= */

.main-tool-bar {
    height: 96px;
    background: linear-gradient(135deg, #1a0d2e 0%, #2d1b4e 50%, #1f1035 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .30);
    transition: height 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}

/* Versión compacta al hacer scroll hacia abajo */
.main-tool-bar--scrolled {
    height: 48px;
    box-shadow: 0 2px 18px rgba(0, 0, 0, .30);
}

/* Logo */
.main-tool-bar .header-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.main-tool-bar .header-logo img {
    max-height: 84px;
    width: auto;
    transition: max-height 0.3s ease;
    filter: brightness(0) invert(1);
}

.main-tool-bar--scrolled .header-logo img {
    max-height: 32px;
}

/* Título */
.main-tool-bar .header-title {
    flex: 1;
    text-align: center;
    font-family: 'Montserrat', sans-serif !important;
    font-size: 3.8rem;
    font-weight: 900;
    font-style: normal;
    color: #ffffff;
    letter-spacing: .08em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 16px;
    transition: font-size 0.3s ease;
    text-transform: uppercase;
}

.header-title-group {
    gap: 0;
    min-width: 0;
    flex: 1;
}

.header-title-group__main {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.28rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    line-height: 1.1;
    text-shadow: 0 4px 14px rgba(0, 0, 0, .18);
}

.header-title-group__divider {
    width: 56px;
    height: 3px;
    margin: 4px auto;
    border-radius: 2px;
    background-color: #4A9FD5;
}

.header-title-group__subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.84rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.75);
    font-style: italic;
    line-height: 1.2;
    text-shadow: 0 4px 14px rgba(0, 0, 0, .18);
}

.main-tool-bar--scrolled .header-title {
    font-size: 0.95rem;
}

.main-tool-bar--scrolled .header-title-group__main {
    font-size: 0.92rem;
}

.main-tool-bar--scrolled .header-title-group__divider {
    width: 40px;
    height: 2px;
    margin: 3px auto;
}

.main-tool-bar--scrolled .header-title-group__subtitle {
    font-size: 0.68rem;
}

/* Espacio reservado bajo el header fijo para que el contenido no quede oculto */
.header-spacer {
    height: 96px;
}

/* ── Panel de usuario ── */
.header-user {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    flex-shrink: 0;
    width: 140px;
}

.header-user__chip {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 40px;
    padding: 5px 12px 5px 6px;
    transition: background 0.2s;
    width: 100%;
    box-sizing: border-box;
}

.header-user__chip:hover {
    background: rgba(255, 255, 255, .18);
}

.header-user__avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(74, 159, 213, .30);
    border: 1px solid rgba(74, 159, 213, .65);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.header-user__avatar i {
    font-size: .75rem;
    color: #4A9FD5;
}

.header-user__name {
    font-family: 'Montserrat', sans-serif;
    font-size: .78rem;
    font-weight: 600;
    color: #fff;
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: max-width 0.3s ease, opacity 0.3s ease;
}

.header-user__logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 50%, #991b1b 100%);
    border: 1px solid rgba(220, 38, 38, .45);
    border-radius: 40px;
    padding: 5px 12px;
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-size: .76rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
    box-shadow: 0 2px 8px rgba(220, 38, 38, .3);
}

.header-user__logout:hover {
    background: linear-gradient(135deg, #991b1b 0%, #b91c1c 50%, #dc2626 100%);
    border-color: rgba(220, 38, 38, .75);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(220, 38, 38, .4);
}

.header-user__logout i {
    font-size: .75rem;
}

/* ── Back button ── */
.header-back-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: rgba(219, 205, 224, 0.767);
    border: 1px solid rgba(213, 194, 224, 0.4);
    border-radius: 40px;
    padding: 6px 12px;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: .76rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    white-space: nowrap;
}

.header-back-button:hover {
    background: rgba(192, 133, 189, 0.2);
    border-color: rgba(166, 144, 196, 0.6);
    color: #d9a5ee;
    text-decoration: none;
}

.header-back-button i {
    font-size: .75rem;
}

/* Versión compacta al hacer scroll */
.main-tool-bar--scrolled .header-user {
    width: auto;
}

.main-tool-bar--scrolled .header-user__name {
    max-width: 0;
    opacity: 0;
    padding: 0;
    overflow: hidden;
}

.main-tool-bar--scrolled .header-user__chip {
    padding: 3px 5px;
}

.main-tool-bar--scrolled .header-user__logout-text {
    display: none;
}

.main-tool-bar--scrolled .header-user__logout {
    padding: 4px 8px;
}

/* ── Hamburguesa ── */
.header-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.30);
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
    transition: background 0.2s;
}

.header-hamburger:hover {
    background: rgba(255,255,255,.18);
}

.header-hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.25s;
}

.header-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header-hamburger.is-open span:nth-child(2) { opacity: 0; }
.header-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Menú móvil desplegable ── */
.header-mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, #203a43 0%, #2c5364 100%);
    border-top: 2px solid rgba(201, 162, 39, .25);
    padding: 12px 16px;
    z-index: 999;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 6px 18px rgba(0,0,0,.4);
}

.header-mobile-menu.is-open {
    display: flex;
}

.header-mobile-menu__chip {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 40px;
    padding: 6px 12px;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: .8rem;
    font-weight: 600;
}

.header-mobile-menu__logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 50%, #991b1b 100%);
    border: 1px solid rgba(220, 38, 38, .50);
    border-radius: 40px;
    padding: 7px 12px;
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-size: .8rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(220, 38, 38, .3);
}

.header-mobile-menu__logout:hover {
    background: linear-gradient(135deg, #991b1b 0%, #b91c1c 50%, #dc2626 100%);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(220, 38, 38, .4);
}

.header-mobile-back-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(74, 159, 213, .1);
    border: 1px solid rgba(74, 159, 213, .4);
    border-radius: 40px;
    padding: 8px 14px;
    color: #4A9FD5;
    font-family: 'Montserrat', sans-serif;
    font-size: .8rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.header-mobile-back-button:hover {
    background: rgba(74, 159, 213, .2);
    border-color: rgba(91, 156, 184, .6);
    color: #5B9CB8;
    text-decoration: none;
}

/* ── Responsive ≤ 768px ── */
@media (max-width: 768px) {
    .main-tool-bar {
        height: 60px;
        padding: 0 12px;
    }

    .header-spacer {
        height: 60px;
    }

    .main-tool-bar .header-logo img {
        max-height: 36px;
    }

    .main-tool-bar .header-title {
        font-size: 1.15rem;
    }

    .header-title-group {
        padding: 0 6px;
    }

    .header-title-group__main {
        font-size: 0.84rem;
        line-height: 1;
        letter-spacing: 0.012em;
        white-space: nowrap;
    }

    .header-title-group__divider {
        width: 26px;
        height: 2px;
        margin: 2px auto;
    }

    .header-title-group__subtitle {
        font-size: 0.58rem;
        line-height: 1;
        margin-top: 1px;
    }

    .main-tool-bar--scrolled {
        height: 46px;
    }

    /* Ocultar panel de usuario, mostrar hamburguesa */
    .header-user {
        display: none !important;
    }

    .header-hamburger {
        display: flex;
    }
}

@media (max-width: 400px) {
    .main-tool-bar .header-title {
        font-size: 1rem;
    }

    .header-title-group__main {
        font-size: 0.76rem;
    }

    .header-title-group__divider {
        width: 22px;
    }

    .header-title-group__subtitle {
        font-size: 0.52rem;
    }
}