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

body {
    font-family: 'Noto Sans JP', sans-serif;
    background: linear-gradient(135deg, #0d0d2b, #1a1a4e, #2d1b69);
    color: #fff;
    min-height: 100vh;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 20px 16px;
}

header {
    text-align: center;
    padding: 30px 0 20px;
}

h1 {
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(90deg, #f093fb, #f5576c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    margin-top: 8px;
    color: #aaa;
    font-size: 0.9rem;
}

.input-section {
    margin-top: 24px;
}

.step {
    margin-bottom: 28px;
}

.step h2 {
    font-size: 0.95rem;
    margin-bottom: 12px;
    color: #ccc;
    display: flex;
    align-items: center;
    gap: 8px;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
}

.name-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.07);
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 14px 16px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1.1rem;
    outline: none;
    transition: border-color 0.2s;
}

.name-input:focus {
    border-color: #f093fb;
}

.name-input::placeholder {
    color: #666;
}

.trait-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.trait-btn {
    background: rgba(255, 255, 255, 0.07);
    border: 2px solid transparent;
    color: #fff;
    padding: 10px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.trait-btn:hover {
    background: rgba(255, 255, 255, 0.13);
}

.trait-btn.active {
    border-color: #f093fb;
    background: rgba(240, 147, 251, 0.15);
}

.taste-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.taste-btn {
    background: rgba(255, 255, 255, 0.07);
    border: 2px solid transparent;
    color: #fff;
    padding: 14px 6px;
    border-radius: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.taste-btn:hover {
    background: rgba(255, 255, 255, 0.13);
}

.taste-btn.active {
    border-color: #f093fb;
    background: rgba(240, 147, 251, 0.15);
}

.taste-emoji {
    font-size: 1.5rem;
}

.taste-label {
    font-size: 0.7rem;
    font-weight: 700;
}

.generate-btn {
    width: 100%;
    margin-top: 8px;
    padding: 16px;
    background: linear-gradient(90deg, #f093fb, #f5576c);
    border: none;
    border-radius: 14px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s;
}

.generate-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.generate-btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(240, 147, 251, 0.4);
}

/* Result */
.result-section {
    margin-top: 32px;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.result-header {
    margin-bottom: 16px;
}

.result-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
}

.name-tag {
    background: rgba(240, 147, 251, 0.2);
    color: #f093fb;
}

.trait-tag {
    background: rgba(245, 87, 108, 0.2);
    color: #f5576c;
}

.taste-tag {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
}

.nickname-showcase {
    text-align: center;
    padding: 24px;
    margin: 16px 0;
    background: linear-gradient(135deg, rgba(240, 147, 251, 0.1), rgba(245, 87, 108, 0.1));
    border-radius: 16px;
    border: 1px solid rgba(240, 147, 251, 0.2);
}

.main-nickname {
    font-size: 2.2rem;
    font-weight: 900;
    background: linear-gradient(90deg, #f093fb, #f5576c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: popIn 0.5s ease;
}

@keyframes popIn {
    0% { transform: scale(0.5); opacity: 0; }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.nickname-reading {
    margin-top: 4px;
    color: #aaa;
    font-size: 0.85rem;
}

.alt-nicknames {
    margin-top: 16px;
}

.alt-nicknames h3 {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 8px;
}

.alt-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.alt-chip {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.alt-chip:hover {
    background: rgba(240, 147, 251, 0.15);
}

.nickname-stats {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-label {
    font-size: 0.8rem;
    color: #aaa;
    width: 72px;
}

.stat-bar {
    flex: 1;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 1s ease;
    width: 0;
}

.easy-fill {
    background: linear-gradient(90deg, #f093fb, #f5576c);
}

.stick-fill {
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.react-fill {
    background: linear-gradient(90deg, #43e97b, #38f9d7);
}

.stat-value {
    font-weight: 700;
    font-size: 0.9rem;
    width: 36px;
    text-align: right;
}

.tip {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(240, 147, 251, 0.1);
    border-radius: 10px;
    font-size: 0.8rem;
    color: #a0aec0;
    border-left: 3px solid #f093fb;
}

/* Actions */
.share-buttons {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.retry-wrapper {
    margin-top: 10px;
}

.action-btn {
    flex: 1;
    padding: 12px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border-radius: 12px;
    font-size: 0.85rem;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-x {
    background: rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-x:hover {
    background: rgba(0, 0, 0, 0.8);
}

.btn-line {
    background: rgba(6, 199, 85, 0.2);
    border-color: #06c755;
    color: #06c755;
}

.btn-line:hover {
    background: rgba(6, 199, 85, 0.35);
}

.btn-copy {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-retry {
    width: 100%;
    background: rgba(240, 147, 251, 0.1);
    border-color: rgba(240, 147, 251, 0.3);
    color: #f093fb;
}

.btn-retry:hover {
    background: rgba(240, 147, 251, 0.2);
}

/* Toast */
.toast {
    position: fixed;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    background: #f093fb;
    color: #fff;
    padding: 10px 24px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.85rem;
    transition: bottom 0.3s ease;
    z-index: 100;
}

.toast.show {
    bottom: 30px;
}

footer {
    margin-top: 48px;
    text-align: center;
    color: #555;
    font-size: 0.75rem;
    padding-bottom: 24px;
}

footer .copyright {
    margin-top: 8px;
}

@media (max-width: 400px) {
    h1 { font-size: 1.4rem; }
    .trait-grid { grid-template-columns: repeat(2, 1fr); }
    .taste-buttons { grid-template-columns: repeat(2, 1fr); }
    .main-nickname { font-size: 1.8rem; }
}