/* =========================================
   PAGES — each page scrolls independently
========================================= */
.page {
    display: none;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: calc(var(--nav-h) + var(--safe-b) + 20px);
}

.page.active {
    display: flex;
}

/* =========================================
   HERO HEADER
========================================= */
.hero {
    background: var(--grad-hero);
    padding: 22px 16px 20px;
    border-radius: 0 0 26px 26px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 8px 30px rgba(37, 99, 235, .25);
}

.hero::before {
    content: '';
    position: absolute;
    top: -35px;
    right: -35px;
    width: 170px;
    height: 170px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .11);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -55px;
    left: -25px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .07);
}

.hero-inner {
    position: relative;
    z-index: 1;
}

.hero-greet {
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, .8);
    letter-spacing: .03em;
    margin-bottom: 1px;
}

.hero-date {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

/* Stopwatch in hero */
.sw-wrap {
    text-align: center;
}

.sw-caption {
    font-size: 10px;
    font-weight: 600;
    color: rgba(255, 255, 255, .72);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-bottom: 4px;
}

.sw-row {
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.sw-unit {
    text-align: center;
    min-width: 54px;
}

.sw-num {
    font-family: var(--ff);
    font-size: 46px;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, .2);
    letter-spacing: -1px;
}

.sw-lbl {
    font-size: 9px;
    font-weight: 600;
    color: rgba(255, 255, 255, .65);
    text-transform: uppercase;
    margin-top: 1px;
}

.sw-sep {
    font-family: var(--ff);
    font-size: 34px;
    font-weight: 800;
    color: rgba(255, 255, 255, .45);
    padding-bottom: 14px;
    width: 18px;
    text-align: center;
}

.hero-since {
    text-align: center;
    font-size: 11px;
    color: rgba(255, 255, 255, .7);
    margin-top: 6px;
    font-weight: 500;
    min-height: 16px;
}

/* =========================================
   CONTENT AREA
========================================= */
.content {
    flex: 1;
    padding: 14px 14px 0;
    display: flex;
    flex-direction: column;
    gap: 11px;
}

/* =========================================
   PAGE HEADER
========================================= */
.pg-hd {
    padding: 22px 16px 12px;
    font-family: var(--ff);
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    flex-shrink: 0;
}

.pg-hd span {
    color: var(--blue-600);
}

/* =========================================
   FAB
========================================= */
.fab {
    position: fixed;
    bottom: calc(var(--nav-h) + var(--safe-b) + 14px);
    right: 18px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--grad-btn);
    color: #fff;
    font-size: 28px;
    line-height: 1;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--sh-lg), 0 0 0 3px rgba(59, 130, 246, .18);
    z-index: 80;
    transition: transform .15s;
}

.fab:active {
    transform: scale(.88);
}

/* =========================================
   BOTTOM NAV
========================================= */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    height: calc(var(--nav-h) + var(--safe-b));
    padding: 0 12px calc(var(--safe-b) + 8px);
    display: flex;
    align-items: flex-end;
    background: linear-gradient(to top, #fff 56%, transparent);
    z-index: 100;
}

.nav-inner {
    width: 100%;
    height: 54px;
    background: #fff;
    border-radius: 27px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    box-shadow: var(--sh-lg);
    border: 1px solid var(--border);
    padding: 0 4px;
}

.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    padding: 4px 2px;
    border: none;
    background: transparent;
    border-radius: 14px;
    transition: transform .15s;
    position: relative;
}

.nav-btn:active {
    transform: scale(.82);
}

.nav-ico {
    font-size: 19px;
    filter: grayscale(1) opacity(.4);
    transition: all .2s;
}

.nav-lbl {
    font-family: var(--fb);
    font-size: 9px;
    font-weight: 700;
    color: var(--textm);
    text-transform: uppercase;
    letter-spacing: .02em;
    transition: color .2s;
}

.nav-btn.on .nav-ico {
    filter: none;
    transform: scale(1.12) translateY(-2px);
}

.nav-btn.on .nav-lbl {
    color: var(--blue-600);
    font-weight: 800;
}

.nav-btn.on::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 18px;
    height: 2px;
    border-radius: 1px;
    background: var(--blue-500);
}