* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Helvetica Neue",
        sans-serif;

    color: #214f5e;

    background:
        radial-gradient(
            circle at 15% 12%,
            rgba(129, 222, 215, 0.72),
            transparent 35%
        ),
        radial-gradient(
            circle at 88% 10%,
            rgba(255, 241, 208, 0.92),
            transparent 38%
        ),
        radial-gradient(
            circle at 72% 65%,
            rgba(174, 229, 219, 0.46),
            transparent 40%
        ),
        radial-gradient(
            circle at 18% 82%,
            rgba(255, 235, 200, 0.72),
            transparent 38%
        ),
        linear-gradient(
            155deg,
            #d8f5f0 0%,
            #f4f4df 46%,
            #fff2d9 100%
        );

    background-attachment: fixed;
}


/* MAIN APP */

.app {
    width: min(92%, 520px);
    margin: 0 auto;

    padding:
        max(65px, env(safe-area-inset-top))
        0
        150px;
}


/* VIEWS */

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fade-in 0.28s ease;
}

@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

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


/* HEADERS */

.header {
    text-align: center;
    margin-bottom: 38px;
}

.section-header {
    text-align: center;
    margin-bottom: 34px;
}

.symbol {
    font-size: 1.25rem;
    margin-bottom: 14px;

    color: #4ba9ad;
    opacity: 0.82;
}

h1 {
    margin: 0;

    font-family:
        ui-rounded,
        "SF Pro Rounded",
        "Avenir Next",
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;

    font-size: clamp(2.3rem, 8vw, 3.7rem);
    font-weight: 600;

    letter-spacing: -0.035em;
    line-height: 1.05;

    color: #24586a;
}

.section-header h2 {
    margin: 0;

    font-family:
        ui-rounded,
        "SF Pro Rounded",
        "Avenir Next",
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;

    font-size: 2.4rem;
    font-weight: 600;

    letter-spacing: -0.025em;
    line-height: 1.1;

    color: #24586a;
}

.subtitle,
.section-header p {
    margin: 14px 0 0;

    font-size: 1.05rem;
    line-height: 1.5;

    color: rgba(36, 88, 106, 0.58);
}


/* GLASS */

.glass-card {
    background: rgba(255, 255, 247, 0.48);

    -webkit-backdrop-filter:
        blur(30px)
        saturate(140%);

    backdrop-filter:
        blur(30px)
        saturate(140%);

    border:
        1px solid rgba(255, 255, 255, 0.72);

    box-shadow:
        0 20px 55px rgba(41, 103, 107, 0.09),
        inset 0 1px 0 rgba(255, 255, 255, 0.88);

    border-radius: 30px;
}


/* TODAY */

.entry-card {
    padding: 26px;
}

label {
    display: block;

    margin-bottom: 15px;

    font-size: 1.15rem;
    font-weight: 550;

    letter-spacing: -0.02em;

    color: #24586a;
}

textarea {
    display: block;

    width: 100%;
    min-height: 150px;

    resize: vertical;

    border: none;
    outline: none;

    padding: 18px;

    border-radius: 22px;

    background: rgba(255, 253, 244, 0.58);

    color: #214f5e;

    font: inherit;
    font-size: 1.05rem;
    line-height: 1.5;

    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.92);
}

textarea::placeholder {
    color: rgba(36, 88, 106, 0.36);
}

textarea:focus {
    background: rgba(255, 254, 247, 0.78);

    box-shadow:
        0 0 0 3px rgba(152, 219, 211, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
}


/* BUTTONS */

.primary-button,
.secondary-button {
    border:
        1px solid rgba(255, 255, 255, 0.76);

    border-radius: 999px;

    background: rgba(255, 255, 247, 0.56);

    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);

    color: #24586a;

    font: inherit;
    font-weight: 550;

    cursor: pointer;

    box-shadow:
        0 8px 22px rgba(38, 101, 104, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);

    transition:
        transform 0.18s ease,
        background 0.18s ease;
}

.primary-button {
    display: block;
    margin: 18px auto 0;
    padding: 12px 30px;
}

.secondary-button {
    margin-top: 18px;
    padding: 11px 18px;
}

.primary-button:hover,
.secondary-button:hover {
    background: rgba(255, 255, 250, 0.76);
}

.primary-button:active,
.secondary-button:active {
    transform: scale(0.96);
}


/* SAVED MESSAGE */

.saved-message {
    margin: 14px 0 0;

    text-align: center;

    font-size: 0.85rem;

    color: rgba(43, 126, 127, 0.58);

    opacity: 0;

    transition: opacity 0.3s ease;
}

.saved-message.visible {
    opacity: 1;
}


/* MEMORIES */

.memory {
    margin-bottom: 14px;
    padding: 21px 22px;

    background: rgba(255, 255, 247, 0.42);

    -webkit-backdrop-filter:
        blur(24px)
        saturate(130%);

    backdrop-filter:
        blur(24px)
        saturate(130%);

    border:
        1px solid rgba(255, 255, 255, 0.68);

    border-radius: 25px;

    box-shadow:
        0 12px 35px rgba(42, 107, 108, 0.06);
}

.memory-text {
    margin: 0;

    font-size: 1.05rem;
    line-height: 1.55;

    color: #214f5e;
}

.memory-date {
    margin-top: 11px;

    font-size: 0.76rem;

    color: rgba(36, 88, 106, 0.44);
}

.empty-message {
    padding: 35px 20px;

    text-align: center;

    color: rgba(36, 88, 106, 0.44);

    font-size: 0.95rem;
}


/* PREFERENCES */

.preference-card,
.backup-card {
    margin-bottom: 14px;
    padding: 21px 22px;
}

.preference-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.preference-card h3,
.backup-card h3 {
    margin: 0 0 6px;

    font-size: 1.05rem;
    font-weight: 550;

    color: #24586a;
}

.preference-card p,
.backup-card p {
    margin: 0;

    font-size: 0.88rem;
    line-height: 1.45;

    color: rgba(36, 88, 106, 0.52);
}

.coming-soon {
    flex-shrink: 0;

    padding: 6px 10px;

    border-radius: 999px;

    background: rgba(255, 255, 247, 0.52);

    font-size: 0.72rem;

    color: rgba(36, 88, 106, 0.48);
}

.backup-status {
    min-height: 24px;

    margin: 2px 0 16px;

    text-align: center;

    font-size: 0.86rem;
    line-height: 1.4;

    color: rgba(36, 88, 106, 0.58);
}


/* FLOATING GLASS NAV */

.glass-nav {
    position: fixed;

    left: 50%;
    bottom:
        max(18px, env(safe-area-inset-bottom));

    transform: translateX(-50%);

    width: min(92%, 500px);

    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 5px;

    padding: 7px;

    border:
        1px solid rgba(255, 255, 255, 0.76);

    border-radius: 28px;

    background: rgba(255, 255, 247, 0.5);

    -webkit-backdrop-filter:
        blur(32px)
        saturate(150%);

    backdrop-filter:
        blur(32px)
        saturate(150%);

    box-shadow:
        0 15px 45px rgba(37, 99, 101, 0.13),
        inset 0 1px 0 rgba(255, 255, 255, 0.92);

    z-index: 100;
}


/* NAV BUTTONS */

.nav-button {
    appearance: none;

    border: 0;

    min-width: 0;

    padding: 10px 5px;

    border-radius: 21px;

    background: transparent;

    color: rgba(36, 88, 106, 0.5);

    font: inherit;
    font-size: 0.72rem;

    cursor: pointer;

    transition:
        background 0.22s ease,
        color 0.22s ease,
        transform 0.18s ease;
}

.nav-button span {
    display: block;
}

.nav-icon {
    margin-bottom: 3px;
    font-size: 1.1rem;
}

.nav-button.active {
    background: rgba(255, 255, 248, 0.65);

    color: #24586a;

    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        0 5px 15px rgba(39, 106, 106, 0.07);
}

.nav-button:active {
    transform: scale(0.95);
}