:root {
    --carm-rojo: #9d1c2e;
    --carm-dorado: #f2b500;

    --texto-principal: #1f2933;
    --texto-secundario: #667085;

    --fondo: #f4f6f8;
    --superficie: #ffffff;
    --borde: #dfe3e8;

    --radio: 14px;
    --sombra: 0 18px 45px rgba(15, 23, 42, 0.10);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--texto-principal);
    background: var(--fondo);
}

body {
    min-height: 100vh;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--superficie);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 38px 36px 28px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo-carm {
    display: block;
    width: min(100%, 340px);
    height: auto;
    margin: 0 auto 26px;
}

.login-header h1 {
    margin: 0;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--carm-rojo);
}

.login-subtitle {
    margin: 8px 0 0;
    font-size: 15px;
    color: var(--texto-secundario);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    min-height: 46px;
    padding: 10px 13px;
    border: 1px solid var(--borde);
    border-radius: 9px;
    background: #fff;
    color: var(--texto-principal);
    font-size: 16px;
    outline: none;
    transition:
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.form-group input:focus {
    border-color: var(--carm-rojo);
    box-shadow: 0 0 0 3px rgba(157, 28, 46, 0.12);
}

.btn-primary {
    min-height: 48px;
    border: 0;
    border-radius: 9px;
    background: var(--carm-rojo);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition:
        transform 0.12s ease,
        opacity 0.18s ease;
}

.btn-primary:hover {
    opacity: 0.94;
}

.btn-primary:active {
    transform: translateY(1px);
}

.login-error {
    min-height: 20px;
    margin: -6px 0 0;
    text-align: center;
    font-size: 14px;
    color: #b42318;
}

.login-footer {
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid var(--borde);
    text-align: center;
    font-size: 13px;
    color: var(--texto-secundario);
}

@media (max-width: 600px) {
    .login-page {
        padding: 20px 14px;
    }

    .login-card {
        max-width: 100%;
        padding: 28px 22px 24px;
        border-radius: 12px;
    }

    .logo-carm {
        width: min(100%, 290px);
        margin-bottom: 22px;
    }

    .login-header h1 {
        font-size: 26px;
    }
}

/* Aplicación interior */

.app-header {
    min-height: 104px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 18px 36px;
    background: var(--superficie);
    border-bottom: 1px solid var(--borde);
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 24px;
}

.app-logo {
    width: 220px;
    height: auto;
}

.app-brand h1 {
    margin: 0;
    color: var(--carm-rojo);
    font-size: 24px;
    letter-spacing: 0.08em;
}

.app-brand p {
    margin: 5px 0 0;
    color: var(--texto-secundario);
    font-size: 14px;
}

.app-session {
    display: flex;
    align-items: center;
    gap: 18px;
}

.session-user {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    font-size: 14px;
}

.session-user span {
    color: var(--texto-secundario);
    font-size: 13px;
}

.btn-secondary {
    min-height: 42px;
    padding: 9px 16px;
    border: 1px solid var(--carm-rojo);
    border-radius: 9px;
    background: #fff;
    color: var(--carm-rojo);
    font-weight: 700;
    cursor: pointer;
}

.app-main {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 48px 0;
}

.welcome-block {
    margin-bottom: 30px;
}

.section-label {
    margin: 0 0 8px;
    color: var(--carm-rojo);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.welcome-block h2 {
    margin: 0;
    font-size: 30px;
}

.welcome-block > p:last-child {
    margin: 10px 0 0;
    color: var(--texto-secundario);
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 360px));
    gap: 24px;
}

.module-card {
    display: flex;
    flex-direction: column;
    min-height: 270px;
    padding: 28px;
    background: var(--superficie);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
}

.module-category {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--carm-rojo);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.module-card h3 {
    margin: 0;
    font-size: 25px;
}

.module-card p {
    flex: 1;
    margin: 18px 0 26px;
    color: var(--texto-secundario);
    line-height: 1.55;
}

.module-button {
    width: 100%;
}

.module-button:disabled {
    cursor: default;
    opacity: 0.55;
}


@media (max-width: 760px) {
    .app-header {
        align-items: flex-start;
        flex-direction: column;
        padding: 20px;
    }

    .app-brand {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
    }

    .app-logo {
        width: min(100%, 260px);
    }

    .app-session {
        width: 100%;
        align-items: stretch;
        flex-direction: column;
    }

    .session-user {
        align-items: flex-start;
    }

    .app-main {
        width: min(100% - 28px, 1180px);
        padding: 32px 0;
    }

    .modules-grid {
        grid-template-columns: 1fr;
    }
}

.module-link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.module-button.module-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    text-align: center;
    text-decoration: none;
}

/* Notificaciones globales */

.module-card[hidden],
.notifications-global [hidden] {
    display: none !important;
}

.notifications-global {
    position: relative;
    flex: 0 0 auto;
}

.notifications-button {
    position: relative;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--borde);
    border-radius: 50%;
    background: #fff;
    color: var(--texto-principal);
    cursor: pointer;
    transition:
        border-color 0.18s ease,
        background 0.18s ease,
        color 0.18s ease;
}

.notifications-button:hover,
.notifications-button[aria-expanded="true"] {
    border-color: var(--carm-rojo);
    background: rgba(157, 28, 46, 0.05);
    color: var(--carm-rojo);
}

.notifications-button:focus-visible {
    outline: 3px solid rgba(157, 28, 46, 0.16);
    outline-offset: 2px;
}

.notifications-icon {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.notifications-badge {
    position: absolute;
    top: -5px;
    right: -6px;
    min-width: 19px;
    height: 19px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    border: 2px solid #fff;
    border-radius: 999px;
    background: var(--carm-rojo);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
}

.notifications-panel {
    position: absolute;
    z-index: 1000;
    top: calc(100% + 12px);
    right: 0;
    width: min(390px, calc(100vw - 32px));
    overflow: hidden;
    border: 1px solid var(--borde);
    border-radius: 12px;
    background: var(--superficie);
    box-shadow: var(--sombra);
}

.notifications-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding: 16px;
    border-bottom: 1px solid var(--borde);
}

.notifications-panel-header > div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.notifications-panel-header strong {
    font-size: 15px;
}

.notifications-panel-header span {
    color: var(--texto-secundario);
    font-size: 12px;
}

.notifications-read-all {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--carm-rojo);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.notifications-read-all:disabled {
    color: var(--texto-secundario);
    cursor: default;
    opacity: 0.65;
}

.notifications-list {
    max-height: 420px;
    overflow-y: auto;
}

.notification-item {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 15px 16px 15px 20px;
    border: 0;
    border-bottom: 1px solid var(--borde);
    background: #fff;
    color: var(--texto-principal);
    text-align: left;
    cursor: pointer;
}

.notification-item:last-child {
    border-bottom: 0;
}

.notification-item:hover {
    background: #f8fafc;
}

.notification-item.is-unread {
    background: rgba(157, 28, 46, 0.045);
}

.notification-item.is-unread::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--carm-rojo);
}

.notification-item strong {
    font-size: 13px;
    line-height: 1.35;
}

.notification-item span {
    color: var(--texto-secundario);
    font-size: 12px;
    line-height: 1.45;
}

.notification-item small {
    color: #8a94a3;
    font-size: 11px;
}

.notifications-empty {
    margin: 0;
    padding: 28px 18px;
    color: var(--texto-secundario);
    text-align: center;
    font-size: 13px;
}

@media (max-width: 760px) {
    .notifications-global {
        width: 100%;
    }

    .notifications-button {
        margin-left: auto;
    }

    .notifications-panel {
        right: 0;
        width: min(100%, 390px);
    }

    .notifications-panel-header {
        flex-direction: column;
    }
}