/* ================================================================
   SARIEL'S · CONFIGURACIÓN
   LAYOUT COMPARTIDO
   ================================================================ */

:root {
    --cfg-gold: #d4af37;
    --cfg-gold-dark: #b8923a;
    --cfg-gold-light: #e8c84a;

    --cfg-bg: #000;
    --cfg-bg-2: #0a0a0a;
    --cfg-bg-3: #16181c;

    --cfg-text: #f0f4f8;
    --cfg-text-muted: #8aa8b8;
    --cfg-text-dim: #5a6870;

    --cfg-border: rgba(255,255,255,.08);

    --cfg-success: #00d68f;
    --cfg-danger: #ff3366;
    --cfg-warning: #f7d44a;
    --cfg-info: #1d9bf0;

    --cfg-header-h: 56px;
    --cfg-radius: 12px;
    --cfg-transition: all .2s cubic-bezier(.4,0,.2,1);
}

.cfg-page *,
.cfg-modal-overlay * {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

.cfg-page {
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background: var(--cfg-bg);
    color: var(--cfg-text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.cfg-page button,
.cfg-page input,
.cfg-page select {
    font-family: inherit;
}

/* ================================================================
   HEADER
   ================================================================ */

.cfg-header {
    position: sticky;
    top: 0;
    z-index: 100;

    display: flex;
    align-items: center;
    gap: 14px;

    min-height: var(--cfg-header-h);
    padding: 8px 16px;

    background: rgba(0,0,0,.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    border-bottom: 1px solid var(--cfg-border);
}

.cfg-header-back,
.cfg-header-action {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 36px;
    height: 36px;

    flex: 0 0 36px;

    border: 0;
    border-radius: 50%;

    background: transparent;
    color: var(--cfg-text);

    cursor: pointer;
    text-decoration: none;

    transition: var(--cfg-transition);
}

.cfg-header-back:hover,
.cfg-header-action:hover {
    background: rgba(255,255,255,.1);
}

.cfg-header-back svg,
.cfg-header-action svg {
    width: 20px;
    height: 20px;
}

.cfg-header-text {
    flex: 1;
    min-width: 0;
}

.cfg-header-title {
    margin: 0;
    color: var(--cfg-text);

    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;

    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cfg-header-subtitle {
    margin: 2px 0 0;

    color: var(--cfg-text-muted);
    font-size: .72rem;

    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================================================================
   CONTENIDO
   ================================================================ */

.cfg-content {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding-bottom: 60px;
}

/* ================================================================
   SECCIONES
   ================================================================ */

.cfg-section-title {
    margin: 0;
    padding: 24px 16px 8px;

    color: var(--cfg-gold);

    font-size: .75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.cfg-section-title:first-child {
    padding-top: 12px;
}

/* ================================================================
   LISTAS / ITEMS
   ================================================================ */

.cfg-list {
    display: flex;
    flex-direction: column;
}

.cfg-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;

    width: 100%;
    padding: 14px 16px;

    border: 0;
    border-bottom: 1px solid var(--cfg-border);

    background: transparent;
    color: var(--cfg-text);

    text-align: left;
    text-decoration: none;

    cursor: pointer;

    transition: var(--cfg-transition);
}

.cfg-item:hover,
.cfg-item:active {
    background: rgba(255,255,255,.035);
}

.cfg-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 22px;
    height: 22px;

    flex: 0 0 22px;

    margin-top: 2px;
    color: var(--cfg-text-muted);
}

.cfg-item-icon svg {
    width: 100%;
    height: 100%;
}

.cfg-item-content {
    flex: 1;
    min-width: 0;
}

.cfg-item-title {
    margin: 0 0 2px;

    color: var(--cfg-text);

    font-size: .9rem;
    font-weight: 500;
    line-height: 1.3;
}

.cfg-item-desc {
    margin: 0;

    color: var(--cfg-text-muted);

    font-size: .75rem;
    line-height: 1.4;
}

.cfg-item-chevron {
    display: flex;
    align-items: center;
    justify-content: center;

    flex: 0 0 auto;
    margin-top: 4px;

    color: var(--cfg-text-dim);

    transition: var(--cfg-transition);
}

.cfg-item-chevron svg {
    width: 18px;
    height: 18px;
}

.cfg-item:hover .cfg-item-chevron {
    color: var(--cfg-gold);
    transform: translateX(2px);
}

.cfg-item-plain {
    text-align: left;
}

/* ================================================================
   TOGGLE
   ================================================================ */

.cfg-toggle {
    position: relative;

    display: inline-block;

    width: 44px;
    height: 24px;

    flex: 0 0 44px;

    margin-top: 6px;

    cursor: pointer;
}

.cfg-toggle input {
    position: absolute;

    width: 0;
    height: 0;

    opacity: 0;
}

.cfg-toggle-slider {
    position: absolute;
    inset: 0;

    border-radius: 12px;
    background: #2f3336;

    transition: var(--cfg-transition);
}

.cfg-toggle-slider::before {
    content: "";

    position: absolute;

    width: 20px;
    height: 20px;

    left: 2px;
    bottom: 2px;

    border-radius: 50%;
    background: #fff;

    box-shadow: 0 1px 3px rgba(0,0,0,.3);

    transition: var(--cfg-transition);
}

.cfg-toggle input:checked + .cfg-toggle-slider {
    background: var(--cfg-gold);
}

.cfg-toggle input:checked + .cfg-toggle-slider::before {
    transform: translateX(20px);
}

.cfg-toggle input:disabled + .cfg-toggle-slider {
    opacity: .4;
    cursor: not-allowed;
}

.cfg-toggle input:focus-visible + .cfg-toggle-slider {
    box-shadow: 0 0 0 3px rgba(212,175,55,.3);
}

/* ================================================================
   BADGES
   ================================================================ */

.cfg-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;

    padding: 3px 10px;

    border-radius: 20px;

    font-size: .62rem;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;

    white-space: nowrap;
}

.cfg-badge-success {
    color: var(--cfg-success);
    background: rgba(0,214,143,.12);
    border: 1px solid rgba(0,214,143,.3);
}

.cfg-badge-warning {
    color: var(--cfg-warning);
    background: rgba(247,212,74,.12);
    border: 1px solid rgba(247,212,74,.3);
}

.cfg-badge-danger {
    color: var(--cfg-danger);
    background: rgba(255,51,102,.12);
    border: 1px solid rgba(255,51,102,.3);
}

.cfg-badge-info {
    color: var(--cfg-info);
    background: rgba(29,155,240,.12);
    border: 1px solid rgba(29,155,240,.3);
}

/* ================================================================
   SESIONES
   ================================================================ */

.cfg-session-item {
    display: flex;
    align-items: center;
    gap: 12px;

    padding: 14px 16px;

    border-bottom: 1px solid var(--cfg-border);
}

.cfg-session-icon {
    flex: 0 0 auto;
    font-size: 1.6rem;
}

.cfg-session-info {
    flex: 1;
    min-width: 0;
}

.cfg-session-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;

    margin-bottom: 2px;

    color: var(--cfg-text);

    font-size: .85rem;
    font-weight: 600;
}

.cfg-session-subtitle {
    color: var(--cfg-text-muted);
    font-size: .72rem;
}

.cfg-session-meta {
    margin-top: 4px;

    color: var(--cfg-text-dim);
    font-size: .65rem;
}

.cfg-session-btn {
    flex: 0 0 auto;

    padding: 6px 12px;

    border: 1px solid rgba(255,51,102,.3);
    border-radius: 16px;

    background: rgba(255,51,102,.1);
    color: var(--cfg-danger);

    font-size: .65rem;
    font-weight: 600;

    cursor: pointer;
}

.cfg-session-btn:hover {
    background: rgba(255,51,102,.2);
}

/* ================================================================
   AVISOS
   ================================================================ */

.cfg-aviso {
    margin: 8px 16px 12px;
    padding: 12px 16px;

    border-left: 3px solid var(--cfg-gold);
    border-radius: 10px;

    background: rgba(212,175,55,.04);
    color: var(--cfg-text-muted);

    font-size: .72rem;
    line-height: 1.5;
}

.cfg-aviso-info {
    border-left-color: var(--cfg-info);
    background: rgba(29,155,240,.04);
}

.cfg-aviso-danger {
    border-left-color: var(--cfg-danger);
    background: rgba(255,51,102,.04);
}

.cfg-aviso-success {
    border-left-color: var(--cfg-success);
    background: rgba(0,214,143,.04);
}

/* ================================================================
   BOTONES
   ================================================================ */

.cfg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    min-height: 42px;
    padding: 10px 20px;

    border-radius: 30px;

    font-family: inherit;
    font-size: .82rem;
    font-weight: 600;
    line-height: 1;

    cursor: pointer;

    transition: var(--cfg-transition);
}

.cfg-btn-primary {
    border: 0;

    background: linear-gradient(
        135deg,
        var(--cfg-gold),
        var(--cfg-gold-dark)
    );

    color: #05080f;
}

.cfg-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(212,175,55,.25);
}

.cfg-btn-outline {
    border: 1px solid var(--cfg-border);
    background: transparent;
    color: var(--cfg-text);
}

.cfg-btn-outline:hover {
    border-color: var(--cfg-gold);
    color: var(--cfg-gold);
}

.cfg-btn-danger {
    border: 1px solid rgba(255,51,102,.3);
    background: rgba(255,51,102,.1);
    color: var(--cfg-danger);
}

.cfg-btn-danger:hover {
    background: rgba(255,51,102,.2);
}

.cfg-btn-block {
    display: flex;
    width: 100%;
}

/* ================================================================
   MODAL
   ================================================================ */

.cfg-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 20px;

    background: rgba(0,0,0,.86);

    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition:
        opacity .2s ease,
        visibility .2s ease;
}

.cfg-modal-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.cfg-modal {
    width: 100%;
    max-width: 400px;

    padding: 24px;

    border: 1px solid rgba(212,175,55,.3);
    border-radius: 20px;

    background: linear-gradient(
        160deg,
        #16181c,
        #0a0a0a
    );

    box-shadow: 0 20px 60px rgba(0,0,0,.6);

    transform: scale(.94);
    transition: transform .2s ease;
}

.cfg-modal-overlay.show .cfg-modal {
    transform: scale(1);
}

.cfg-modal-title {
    margin: 0 0 12px;

    color: var(--cfg-gold);

    font-size: 1.05rem;
    font-weight: 700;

    text-align: center;
}

.cfg-modal-text {
    margin: 0 0 20px;

    color: var(--cfg-text-muted);

    font-size: .85rem;
    line-height: 1.5;

    text-align: center;
}

.cfg-modal-actions {
    display: flex;
    gap: 10px;
}

.cfg-modal-actions .cfg-btn {
    flex: 1;
}

/* ================================================================
   SELECT / RADIO
   ================================================================ */

.cfg-select {
    width: 100%;
    padding: 10px 14px;

    border: 1px solid var(--cfg-border);
    border-radius: 8px;

    outline: none;

    background: rgba(255,255,255,.04);
    color: var(--cfg-text);

    font-size: .85rem;
}

.cfg-select:focus {
    border-color: var(--cfg-gold);
}

.cfg-select option {
    background: var(--cfg-bg-3);
    color: var(--cfg-text);
}

.cfg-radio-group {
    display: flex;
    flex-direction: column;
    gap: 4px;

    padding: 0 16px 16px;
}

.cfg-radio-item {
    display: flex;
    align-items: center;
    gap: 12px;

    padding: 12px 14px;

    border: 1px solid transparent;
    border-radius: 10px;

    cursor: pointer;
}

.cfg-radio-item:hover {
    background: rgba(255,255,255,.03);
}

.cfg-radio-item.active {
    border-color: rgba(212,175,55,.2);
    background: rgba(212,175,55,.08);
}

.cfg-radio-circle {
    position: relative;

    width: 20px;
    height: 20px;

    flex: 0 0 20px;

    border: 2px solid var(--cfg-text-muted);
    border-radius: 50%;
}

.cfg-radio-item.active .cfg-radio-circle {
    border-color: var(--cfg-gold);
}

.cfg-radio-item.active .cfg-radio-circle::after {
    content: "";

    position: absolute;
    top: 50%;
    left: 50%;

    width: 10px;
    height: 10px;

    border-radius: 50%;

    background: var(--cfg-gold);

    transform: translate(-50%,-50%);
}

/* ================================================================
   EMPTY / FOOTER
   ================================================================ */

.cfg-empty {
    padding: 40px 20px;

    color: var(--cfg-text-muted);
    text-align: center;
}

.cfg-empty-icon {
    display: block;

    margin-bottom: 12px;

    color: var(--cfg-gold);

    font-size: 2.5rem;
    opacity: .4;
}

.cfg-empty-text {
    font-size: .85rem;
}

.cfg-footer {
    padding: 30px 16px;

    color: var(--cfg-text-dim);

    font-size: .68rem;
    line-height: 1.6;

    text-align: center;
}

.cfg-footer strong {
    color: var(--cfg-gold);
}

/* ================================================================
   TOAST
   ================================================================ */

.cfg-toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    z-index: 100000;

    max-width: 90vw;
    padding: 12px 20px;

    border: 1px solid var(--cfg-border);
    border-radius: 12px;

    background: #16181c;
    color: var(--cfg-text);

    font-size: .8rem;
    font-weight: 500;

    opacity: 0;
    pointer-events: none;

    transform:
        translateX(-50%)
        translateY(100px);

    transition:
        all .3s cubic-bezier(.4,0,.2,1);
}

.cfg-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.cfg-toast-success {
    border-color: rgba(0,214,143,.4);
    color: var(--cfg-success);
}

.cfg-toast-error {
    border-color: rgba(255,51,102,.4);
    color: var(--cfg-danger);
}

.cfg-toast-warning {
    border-color: rgba(247,212,74,.4);
    color: var(--cfg-warning);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */

@media (max-width: 480px) {
    .cfg-header {
        padding: 6px 12px;
        gap: 12px;
    }

    .cfg-header-title {
        font-size: .98rem;
    }

    .cfg-header-subtitle {
        font-size: .68rem;
    }

    .cfg-item {
        padding: 12px 14px;
        gap: 12px;
    }

    .cfg-item-title {
        font-size: .86rem;
    }

    .cfg-item-desc {
        font-size: .72rem;
    }

    .cfg-section-title {
        padding: 20px 14px 6px;
        font-size: .7rem;
    }

    .cfg-session-item {
        padding: 12px 14px;
    }

    .cfg-session-btn {
        padding: 6px 10px;
    }

    .cfg-modal {
        padding: 20px;
    }

    .cfg-modal-actions {
        flex-direction: column;
    }

    .cfg-modal-actions .cfg-btn {
        width: 100%;
    }
}