/* =========================================================
   VARIABLES DE TEMA: ELLA (ESTIL FLO) vs. NOVIO (MODE FOSC)
   ========================================================= */
:root {
    --color-period: #FF5A79;
    --color-period-soft: rgba(255, 90, 121, 0.16);
    --color-spotting: #F59E0B;
    --color-spotting-soft: rgba(245, 158, 11, 0.16);
    --color-fertile: #14B8A6;
    --color-fertile-soft: rgba(20, 184, 166, 0.16);
    --color-ovulation: #0D9488;
    --color-luteal: #8B5CF6;
    --color-luteal-soft: rgba(139, 92, 246, 0.15);
}

body.theme-ella {
    --bg-main: #FFF9FA;
    --bg-card: #FFFFFF;
    --bg-sub: #FFF1F4;
    --bg-pill: #F4EFF2;
    --border-color: #F3E4E8;
    --text-primary: #2D2A32;
    --text-secondary: #766E7C;
    --accent: #FF5A79;
    --accent-hover: #E84867;
    --accent-text: #FFFFFF;
    --card-shadow: 0 8px 24px rgba(255, 90, 121, 0.08);
    --ring-track: #F5E6EA;
    --nav-bg: rgba(255, 255, 255, 0.94);
}

body.theme-novio {
    --bg-main: #0D0D0D;
    --bg-card: #141414;
    --bg-sub: #1C1C1C;
    --bg-pill: #222222;
    --border-color: #262626;
    --text-primary: #F5F5F5;
    --text-secondary: #A0A0A0;
    --accent: #FF5A79;
    --accent-hover: #FF708B;
    --accent-text: #FFFFFF;
    --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    --ring-track: #262626;
    --nav-bg: rgba(20, 20, 20, 0.95);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background-color 0.25s ease, color 0.25s ease;
    line-height: 1.5;
}

/* --- TOPBAR --- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 900;
    background-color: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.85rem 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.brand-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF5A79, #8B5CF6);
}

.brand h1 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.role-pill {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    background-color: var(--bg-sub);
    color: var(--accent);
    border: 1px solid var(--border-color);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.chip-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
}

/* --- CONTENIDOR PRINCIPAL --- */
.app-container {
    max-width: 560px;
    margin: 0 auto;
    padding: 1.1rem 1rem calc(5.5rem + env(safe-area-inset-bottom));
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 22px;
    padding: 1.35rem;
    margin-bottom: 1.15rem;
    box-shadow: var(--card-shadow);
}

.card h3 {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
}

/* --- ALERTES SOS I MEDICACIÓ --- */
.alert-banner {
    border-radius: 18px;
    padding: 0.95rem 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

.alert-sos {
    background-color: var(--color-period-soft);
    border-color: var(--color-period);
}

.alert-med {
    background-color: var(--color-luteal-soft);
    border-color: var(--color-luteal);
}

/* --- ANELL VISUAL ESTIL FLO --- */
.hero-card {
    text-align: center;
    padding: 1.6rem 1.25rem;
}

.cycle-ring-wrapper {
    position: relative;
    width: 245px;
    height: 245px;
    margin: 0 auto 1.15rem;
}

.cycle-ring {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.ring-track {
    fill: none;
    stroke: var(--ring-track);
    stroke-width: 16;
}

.ring-segment {
    fill: none;
    stroke-width: 16;
    stroke-linecap: round;
    transition: all 0.3s ease;
}

.ring-marker {
    fill: var(--bg-card);
    stroke: var(--text-primary);
    stroke-width: 4;
    transition: cx 0.3s ease, cy 0.3s ease;
}

.ring-center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.ring-sub {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.ring-big {
    font-size: 2.65rem;
    font-weight: 800;
    line-height: 1.1;
    margin: 0.25rem 0;
    letter-spacing: -0.03em;
}

.ring-pred {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

.phase-pill-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.85rem;
}

.phase-badge,
.fertility-badge {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.32rem 0.8rem;
    border-radius: 999px;
}

.phase-badge {
    background-color: var(--color-luteal-soft);
    color: var(--color-luteal);
}

.fertility-badge {
    background-color: var(--color-fertile-soft);
    color: var(--color-fertile);
}

.phase-description {
    font-size: 0.88rem;
    color: var(--text-secondary);
    max-width: 420px;
    margin: 0 auto 1.15rem;
}

.home-actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

/* --- MODE PARELLA (ARNAU) --- */
.partner-card {
    border-top: 3px solid var(--accent);
}

.partner-tip {
    font-size: 0.92rem;
    color: var(--text-primary);
    background-color: var(--bg-sub);
    padding: 0.85rem 1rem;
    border-radius: 14px;
}

.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 1rem 0;
}

.partner-card h4 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.65rem;
}

.chips-display {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.info-chip {
    background-color: var(--bg-pill);
    color: var(--text-primary);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.info-chip.period {
    background-color: var(--color-period-soft);
    color: var(--color-period);
}

.info-chip.spotting {
    background-color: var(--color-spotting-soft);
    color: var(--color-spotting);
}

.note-box {
    margin-top: 0.85rem;
    padding: 0.8rem 1rem;
    border-radius: 14px;
    background-color: var(--bg-sub);
    font-size: 0.86rem;
    font-style: italic;
    color: var(--text-secondary);
}

/* --- BOTONS SOS --- */
.sos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.sos-btn {
    text-align: left;
    background-color: var(--bg-pill);
    border: 1.5px solid transparent;
    color: var(--text-primary);
    padding: 0.72rem 0.95rem;
    border-radius: 14px;
    font-family: inherit;
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.sos-btn.active {
    background-color: var(--color-period-soft);
    border-color: var(--color-period);
    color: var(--color-period);
}

/* --- CALENDARI --- */
.cal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.cal-header h2 {
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: capitalize;
}

.icon-circle-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: var(--bg-sub);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
}

.cal-weekdays,
.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.35rem;
    text-align: center;
}

.cal-weekdays span {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    padding-bottom: 0.4rem;
}

.cal-day {
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    border: 2px solid transparent;
    transition: transform 0.12s ease;
}

.cal-day.empty {
    cursor: default;
}

.cal-day.is-period {
    background-color: var(--color-period);
    color: #FFFFFF;
}

.cal-day.is-spotting {
    background-color: var(--color-spotting-soft);
    border: 2px dashed var(--color-spotting);
    color: var(--color-spotting);
}

.cal-day.is-fertile {
    background-color: var(--color-fertile-soft);
    color: var(--color-fertile);
}

.cal-day.is-ovulation {
    background-color: var(--color-ovulation);
    color: #FFFFFF;
}

.cal-day.is-predicted {
    border: 2px dashed var(--color-period);
    color: var(--color-period);
}

.cal-day.is-today {
    font-weight: 800;
    text-decoration: underline;
}

.cal-day.is-selected {
    box-shadow: 0 0 0 2.5px var(--text-primary);
}

.cal-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
    margin-top: 1.15rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.76rem;
    color: var(--text-secondary);
}

.cal-legend span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.cal-legend em {
    font-style: normal;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.dot-period { background-color: var(--color-period); }
.dot-spotting { border: 2px dashed var(--color-spotting); background-color: var(--color-spotting-soft); }
.dot-fertile { background-color: var(--color-fertile); }
.dot-ovulation { background-color: var(--color-ovulation); }
.dot-predicted { border: 2px dashed var(--color-period); }

.cal-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.85rem;
}

/* --- FORMULARI REGISTRE DIARI --- */
.log-date-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    background-color: var(--bg-sub);
    padding: 0.75rem 1rem;
    border-radius: 14px;
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.segmented-control {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35rem;
    background-color: var(--bg-pill);
    padding: 0.3rem;
    border-radius: 16px;
    margin-bottom: 1rem;
}

.seg-btn {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0.6rem 0.4rem;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
}

.seg-btn.active {
    background-color: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.seg-btn.active[data-val="period"] {
    background-color: var(--color-period);
    color: #FFFFFF;
}

.seg-btn.active[data-val="spotting"] {
    background-color: var(--color-spotting);
    color: #FFFFFF;
}

.sub-panel {
    background-color: var(--bg-sub);
    padding: 0.95rem;
    border-radius: 16px;
    margin-bottom: 1.15rem;
}

.spotting-box {
    border: 1px dashed var(--color-spotting);
}

.sub-panel label,
.form-block label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.45rem;
}

.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.pill-btn {
    background-color: var(--bg-pill);
    border: 1.5px solid transparent;
    color: var(--text-primary);
    padding: 0.48rem 0.85rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
}

.pill-btn.active {
    background-color: var(--color-period-soft);
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 700;
}

.form-block {
    margin-bottom: 1.1rem;
}

.two-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
    margin-bottom: 1.1rem;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.checkbox-row input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.65rem 0.85rem;
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
    outline: none;
}

.range-slider {
    width: 100%;
    accent-color: var(--accent);
}

.med-box {
    background-color: var(--bg-sub);
    padding: 0.95rem;
    border-radius: 16px;
    margin-bottom: 1.1rem;
}

.med-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

.muted-text {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.35rem;
}

/* --- BOTONS --- */
.btn {
    border: none;
    border-radius: 999px;
    padding: 0.78rem 1.25rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--accent-text);
}

.btn-secondary {
    background-color: var(--bg-pill);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-danger-outline {
    background: transparent;
    border: 1px solid #EF4444;
    color: #EF4444;
}

.btn-small {
    padding: 0.45rem 0.9rem;
    font-size: 0.8rem;
    white-space: nowrap;
}

.btn-full {
    width: 100%;
}

/* --- ANÀLISI I GUIA --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    margin-bottom: 1.15rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 0.9rem 0.65rem;
    text-align: center;
    box-shadow: var(--card-shadow);
}

.stat-card span {
    display: block;
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.stat-card strong {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent);
}

.chart-box {
    position: relative;
    height: 210px;
}

.patterns-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    font-size: 0.88rem;
}

.patterns-list li {
    background-color: var(--bg-sub);
    padding: 0.75rem 0.95rem;
    border-radius: 12px;
}

.planner-result {
    margin-top: 0.8rem;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    background-color: var(--bg-sub);
    font-size: 0.88rem;
    font-weight: 600;
    display: none;
}

/* --- NAVEGACIÓ INFERIOR --- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    padding: 0.45rem 0.25rem calc(0.45rem + env(safe-area-inset-bottom));
    z-index: 950;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    font-family: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    cursor: pointer;
    flex: 1;
}

.nav-btn span {
    font-size: 1.2rem;
}

.nav-btn em {
    font-style: normal;
}

.nav-btn.active {
    color: var(--accent);
}

/* --- MODAL I TOAST --- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 2000;
}

.modal-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 1.75rem;
    width: 100%;
    max-width: 390px;
}

.modal-box label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    margin: 0.85rem 0 0.35rem;
}

.toast-box {
    position: fixed;
    top: 4.2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    width: 90%;
    max-width: 400px;
}

.toast-item {
    background-color: var(--bg-card);
    border: 1px solid var(--accent);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 14px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--card-shadow);
    text-align: center;
}

/* --- MODE IMPRESSIÓ / INFORME GINECOLÒGIC PDF --- */
@media print {
    body {
        background: #FFFFFF !important;
        color: #111111 !important;
    }
    .topbar, .bottom-nav, #btn-export-pdf, #ella-settings-card, #planner-date-input {
        display: none !important;
    }
    .app-container {
        max-width: 100%;
        padding: 0;
    }
    .view-section {
        display: block !important;
    }
    #view-home, #view-log, #view-guide {
        display: none !important;
    }
    .card, .stat-card {
        background: #FFFFFF !important;
        border: 1px solid #CCCCCC !important;
        box-shadow: none !important;
        break-inside: avoid;
    }
}