/* =======================================================
   Wedding RSVP — Caro & Jose
   style.css
   Refresco visual (solo CSS) — estética de tarjetería fina
======================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,400;0,500;0,600;1,400&family=Work+Sans:wght@400;500;600&display=swap');

:root {

    --color-paper: #F1F3EC;
    --color-paper-alt: #FFFFFF;
    --color-ink: #262B26;
    --color-muted: #6E7268;
    --color-primary: #3F5541;
    --color-primary-dark: #2C3B2E;
    --color-accent: #7C2D3B;
    --color-gold: #B79A63;
    --color-border: #DAD7C8;
    --color-error: #A23B34;

    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Work Sans', Arial, Helvetica, sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;

    --shadow-soft: 0 10px 28px rgba(38, 43, 38, .08);

}

/* ---------- Reset ---------- */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {

    overflow-x: hidden;

}

/* ---------- Body ---------- */

body {

    font-family: var(--font-body);

    background: radial-gradient(circle at top, #F8F8F2 0%, var(--color-paper) 65%);

    color: var(--color-ink);

    min-height: 100vh;
    min-height: 100dvh;

    overflow-x: hidden;

}

/* ---------- Main Container ---------- */

.app-container {

    width: 100%;
    max-width: 640px;

    margin: auto;

    min-height: 100vh;
    min-height: 100dvh;

    display: flex;
    flex-direction: column;

    padding: 48px 32px calc(24px + env(safe-area-inset-bottom, 0px));

}

/* ---------- Header ---------- */

.header {

    display: flex;
    flex-direction: column;

    gap: 24px;

    margin-bottom: 48px;

}

.logo-container {

    text-align: center;
    position: relative;

    padding-bottom: 20px;

}

.logo-container::after {

    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);

    width: 48px;
    height: 2px;

    background: var(--color-gold);

}

.logo-container h2 {

    font-family: var(--font-display);
    font-style: italic;
    font-weight: 500;
    font-size: 1.9rem;
    letter-spacing: .01em;
    color: var(--color-primary-dark);

}

.progress-section {

    display: flex;
    flex-direction: column;

    gap: 10px;

}

.progress-bar {

    position: relative;

    width: 100%;
    height: 6px;

    background: var(--color-border);

    border-radius: 999px;

    overflow: hidden;

}

.progress-bar::after {

    content: "";
    position: absolute;
    inset: 0;

    /* 11 pasos reales (ver secciones .page en index.html) */
    background-image: repeating-linear-gradient(
        to right,
        var(--color-paper) 0,
        var(--color-paper) 2px,
        transparent 2px,
        transparent calc(100% / 11)
    );

    pointer-events: none;

}

.progress-fill {

    width: 0%;

    height: 100%;

    background: linear-gradient(90deg, var(--color-gold), var(--color-accent));

    transition: width 0.4s ease;

}

.progress-text {

    text-align: center;

    font-size: 0.8rem;
    letter-spacing: .02em;
    color: var(--color-muted);

}

/* ---------- Main ---------- */

.main-content {

    flex: 1;

    display: flex;

    justify-content: center;

    align-items: center;

    padding-bottom: 8px;

}


/* ---------- Pages ---------- */

.page {

    display: none;

    width: 100%;

}

.page.active {

    display: block;

    animation: page-enter .45s ease both;

}

@keyframes page-enter {

    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }

}

#welcome h1 {

    font-size: 2.6rem;

}

@media (max-width: 768px) {

    #welcome h1 {

        font-size: 2.1rem;

    }

}

.page-content {

    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 22px;

    text-align: center;

}

/* ---------- Typography ---------- */

h1 {

    font-family: var(--font-display);
    font-weight: 500;
    color: var(--color-primary-dark);

    font-size: 2.1rem;

}

p {

    line-height: 1.7;
    color: var(--color-muted);
    max-width: 46ch;

}

/* ---------- Footer ---------- */

.footer {

    margin-top: 48px;

    display: flex;

    justify-content: space-between;

    gap: 16px;

}

/* ---------- Buttons ---------- */

button {

    cursor: pointer;

    border: none;

    border-radius: var(--radius-sm);

    padding: 13px 28px;

    min-height: 48px;

    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;

    touch-action: manipulation;

    transition: background-color 0.2s ease, transform 0.15s ease, opacity 0.15s ease;

}

.primary-button {

    background: var(--color-primary);

    color: var(--color-paper-alt);

    box-shadow: var(--shadow-soft);

}

.primary-button:hover {

    background: var(--color-primary-dark);

}

.primary-button:active {

    transform: translateY(1px);

}

.primary-button:disabled {

    opacity: .55;

    cursor: not-allowed;

    box-shadow: none;

}

.secondary-button {

    background: transparent;

    color: var(--color-muted);

    border: 1px solid var(--color-border);

}

.secondary-button:hover {

    border-color: var(--color-primary);
    color: var(--color-primary-dark);

}

.secondary-button:disabled {

    opacity: .45;

    cursor: not-allowed;

}

button:focus-visible {

    outline: 2px solid var(--color-gold);
    outline-offset: 2px;

}

/* ---------- Responsive ---------- */

@media (max-width: 768px) {

    .app-container {

        padding: 28px 20px calc(96px + env(safe-area-inset-bottom, 0px));

    }

    h1 {

        font-size: 1.6rem;

    }

    .header {

        gap: 16px;
        margin-bottom: 32px;

    }

    .logo-container h2 {

        font-size: 1.5rem;

    }

    .page-content {

        gap: 18px;

    }

    /* Tarjetas de opciones a una sola columna: más fáciles de leer y
       tocar con el pulgar que una grilla apretada de dos columnas */
    .radio-group {

        grid-template-columns: 1fr;

    }

    .guest-card {

        padding: 18px;

    }

    /* Pie fijo: los botones Back/Next siempre están a mano,
       sin tener que desplazarse hasta el final de la página */
    .footer {

        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;

        margin-top: 0;

        padding: 14px 20px calc(14px + env(safe-area-inset-bottom, 0px));

        background: rgba(248, 248, 242, .92);
        backdrop-filter: blur(6px);

        border-top: 1px solid var(--color-border);

        z-index: 10;

    }

    .footer.hidden {

        display: none;

    }

}

@media (max-width: 380px) {

    .app-container {

        padding-left: 16px;
        padding-right: 16px;

    }

    h1 {

        font-size: 1.4rem;

    }

    .primary-button,
    .secondary-button {

        padding: 13px 20px;

    }

}

/* ---------- Utility Classes ---------- */

.hidden {

    display: none !important;

}

/* ---------- Option Buttons ---------- */

.option-group {

    display: flex;

    gap: 16px;

    justify-content: center;

    margin-top: 16px;

    flex-wrap: wrap;

}

/* ---------- Text Inputs ---------- */

.input-group {

    width: 100%;

    max-width: 380px;

}

.text-input {

    width: 100%;

    padding: 16px;

    font-size: 1.15rem;

    text-align: center;

    border: 1px solid var(--color-border);

    border-radius: var(--radius-sm);

    outline: none;

    background: var(--color-paper-alt);

    transition: border-color .2s ease, box-shadow .2s ease;

    letter-spacing: .25rem;

    font-weight: 600;

    text-transform: uppercase;

    color: var(--color-ink);

}

.text-input:focus {

    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(63, 85, 65, .14);

}

/* ---------- Error Messages ---------- */

.error-message {

    min-height: 20px;

    margin-top: 8px;

    color: var(--color-error);

    font-size: 0.9rem;

    text-align: center;

}

/* ======================================================
   Guest Card
====================================================== */

.guest-card {

    width: 100%;
    max-width: 560px;

    padding: 24px;

    margin: 14px auto;

    border: 1px solid var(--color-border);

    border-radius: var(--radius-md);

    background-color: var(--color-paper-alt);

    box-shadow: var(--shadow-soft);

    box-sizing: border-box;

}

.guest-card--unanswered {
    border-color: var(--color-error);
}

.guest-name {

    margin: 0 0 4px;

    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.25rem;

    text-align: center;

    color: var(--color-primary-dark);

}
/* ======================================================
   Radio Cards
====================================================== */

.radio-group {

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;

    margin-top: 16px;

}

.guest-instruction {

    grid-column: 1 / -1;

    margin-bottom: 4px;

    text-align: center;

    font-size: .9rem;

    color: var(--color-muted);

}

.radio-option {

    position: relative;

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

    min-height: 56px;

    padding: 14px 18px;

    border: 1px solid var(--color-border);

    border-radius: var(--radius-md);

    background: var(--color-paper-alt);
    color: var(--color-ink);
    font-weight: 500;

    text-align: center;

    cursor: pointer;

    box-shadow: 0 2px 8px rgba(38, 43, 38, .05);

    transition: border-color .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease;

}

.radio-option input[type="radio"] {

    position: absolute;
    inset: 0;

    margin: 0;

    opacity: 0;

    cursor: pointer;

}

.radio-option:hover {

    border-color: var(--color-gold);

}

.radio-option:has(input:checked) {

    background: var(--color-primary);
    color: var(--color-paper-alt);
    border-color: var(--color-primary);

    box-shadow: var(--shadow-soft);

}

.radio-option:has(input:focus-visible) {

    outline: 2px solid var(--color-gold);
    outline-offset: 2px;

}

/* =========================================
   Summary
========================================= */
.summary-card {

    max-width: 500px;
    width: 100%;

}
.summary-content {

    display: flex;
    flex-direction: column;
    gap: 0.7rem;

}

.summary-row {

    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 16px;
    align-items: center;

    padding: 0.5rem 0;

    border-bottom: 1px solid var(--color-border);

}

.summary-row:last-child {

    border-bottom: none;

}

.summary-label {
    text-align: left;
    font-weight: 600;
    font-size: .92rem;
    color: var(--color-muted);

}

.summary-row--welcome-cocktail .summary-label {
    max-width: 12ch;
}

.summary-value {

    text-align: right;
    font-weight: 500;
    color: var(--color-ink);
    overflow-wrap: anywhere;

}

.summary-attendance {

    text-align: center;
    font-weight: 600;
    color: var(--color-accent);

}

/* ---------- Accessibility ---------- */

@media (prefers-reduced-motion: reduce) {

    * {

        transition: none !important;
        animation: none !important;

    }

}