/* =========================
   ひび - 基本設定
========================= */

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

:root {
    --bg: #eef9ff;
    --primary: #5bb8e8;
    --primary-dark: #369fd5;
    --text: #334155;
    --sub-text: #64748b;
    --white: #ffffff;
    --border: #dbeef7;
}

body {
    min-height: 100vh;

    background: var(--bg);
    color: var(--text);

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Noto Sans JP",
        "Yu Gothic",
        sans-serif;

    line-height: 1.6;
}

/* =========================
   アプリ全体
========================= */

.app {
    width: 100%;
    max-width: 480px;
    min-height: 100vh;

    margin: 0 auto;
    padding: 24px 18px 40px;
}

/* =========================
   ヘッダー
========================= */

.header {
    padding: 20px 4px 28px;
}

.header h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.08em;

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

.header p {
    margin-top: 4px;

    font-size: 13px;
    color: var(--sub-text);
}

/* =========================
   ウェルカム
========================= */

.welcome {
    padding: 24px 20px;

    background: var(--white);

    border: 1px solid var(--border);
    border-radius: 20px;

    box-shadow:
        0 4px 16px rgba(91, 184, 232, 0.08);
}

.welcome h2 {
    font-size: 20px;
    font-weight: 700;
}

#user-name {
    margin-top: 8px;

    font-size: 15px;
    color: var(--sub-text);
}

/* =========================
   カード
========================= */

.card {
    margin-top: 16px;
    padding: 24px 20px;

    background: var(--white);

    border: 1px solid var(--border);
    border-radius: 20px;

    box-shadow:
        0 4px 16px rgba(91, 184, 232, 0.08);
}

.card h2 {
    font-size: 18px;
    font-weight: 700;
}

.card p {
    margin-top: 10px;

    font-size: 14px;
    color: var(--sub-text);
}

/* =========================
   プロフィールカード
========================= */

.profile-card {
    display: flex;
    align-items: center;
    gap: 16px;

    padding: 20px;

    background: var(--white);

    border: 1px solid var(--border);
    border-radius: 20px;

    box-shadow:
        0 4px 16px rgba(91, 184, 232, 0.08);
}

#profile-image {
    width: 64px;
    height: 64px;

    object-fit: cover;

    border-radius: 50%;

    background: var(--bg);
}

.profile-info {
    min-width: 0;
}

.profile-label {
    font-size: 12px;
    color: var(--sub-text);
}

.profile-info h2 {
    margin-top: 2px;

    font-size: 19px;
    font-weight: 700;

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

/* =========================
   今日のひとこと
========================= */

.daily-card {
    margin-top: 16px;
    padding: 22px 20px;

    background: var(--white);

    border: 1px solid var(--border);
    border-radius: 20px;

    box-shadow:
        0 4px 16px rgba(91, 184, 232, 0.08);
}

.section-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--primary);
}

.section-title h2 {
    margin-top: 2px;
    font-size: 18px;
}

#daily-message {
    width: 100%;
    min-height: 110px;

    margin-top: 16px;
    padding: 14px;

    resize: none;

    border: 1px solid var(--border);
    border-radius: 14px;

    background: #f8fcff;
    color: var(--text);

    font-family: inherit;
    font-size: 14px;

    outline: none;
}

#daily-message:focus {
    border-color: var(--primary);
}

#daily-message::placeholder {
    color: #94a3b8;
}

.daily-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-top: 10px;
}

#char-count {
    font-size: 12px;
    color: var(--sub-text);
}

#save-daily {
    padding: 9px 18px;

    border: none;
    border-radius: 999px;

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

    font-family: inherit;
    font-size: 13px;
    font-weight: 700;

    cursor: pointer;
}

#save-daily:active {
    transform: scale(0.97);
}

#save-status {
    margin-top: 8px;

    font-size: 12px;
    color: var(--primary-dark);
}

/* =========================
   今日の気分
========================= */

.mood-card {
    margin-top: 16px;
    padding: 22px 20px;

    background: var(--white);

    border: 1px solid var(--border);
    border-radius: 20px;

    box-shadow:
        0 4px 16px rgba(91, 184, 232, 0.08);
}

.mood-card h2 {
    margin-top: 2px;
    font-size: 18px;
}

.mood-list {
    display: flex;
    justify-content: space-between;
    gap: 8px;

    margin-top: 18px;
}

.mood-button {
    flex: 1;

    padding: 12px 4px;

    border: 1px solid var(--border);
    border-radius: 14px;

    background: #f8fcff;

    font-size: 25px;

    cursor: pointer;
}

.mood-button:active {
    transform: scale(0.94);
}

.mood-button.selected {
    border-color: var(--primary);
    background: #e5f6ff;
}

#selected-mood {
    min-height: 20px;

    margin-top: 12px;

    text-align: center;

    font-size: 13px;
    color: var(--primary-dark);
}

/* =========================
   スマートフォン向け調整
========================= */

@media (max-width: 360px) {
    .app {
        padding-left: 14px;
        padding-right: 14px;
    }

    .header h1 {
        font-size: 28px;
    }

    .welcome,
    .card {
        padding: 20px 16px;
    }
}
/* =========================
   友達
========================= */

.friends-card {
    margin-top: 16px;
    padding: 22px 20px;

    background: var(--white);

    border: 1px solid var(--border);
    border-radius: 20px;

    box-shadow:
        0 4px 16px rgba(91, 184, 232, 0.08);
}

.friends-card h2 {
    margin-top: 2px;
    font-size: 18px;
}

.friend-empty {
    margin-top: 20px;

    text-align: center;
}

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

    width: 64px;
    height: 64px;

    margin: 0 auto 14px;

    border-radius: 50%;

    background: #e5f6ff;
    color: var(--primary);

    font-size: 30px;
    font-weight: 300;
}

.friend-empty p {
    font-size: 13px;
    color: var(--sub-text);
}

#add-friend {
    margin-top: 16px;

    padding: 11px 22px;

    border: none;
    border-radius: 999px;

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

    font-family: inherit;
    font-size: 13px;
    font-weight: 700;

    cursor: pointer;
}

#add-friend:active {
    transform: scale(0.97);
}