body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #111;
    background: url("../img/background.jpg") no-repeat center center fixed;
    background-size: cover;
    color: #f2f2f2;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding-top: 10px;
}

.container {
    max-width: 680px;
    padding: 40px;
}

.logo {
    margin-bottom: 1.5rem;
}

.logo img {
    width: 85%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.connect_img {
    width: 85%;
    max-width: 480px;
    height: auto;
    display: block;
    margin: 1.2rem auto;
}

.connect-wrap {
    position: relative;
    width: 85%;
    max-width: 480px;
    margin: 0.2rem auto;
}

.connect-wrap .connect_img {
    width: 100%;
    max-width: none;
    margin: 0;
}

.connect-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: auto;
}

h1 {
    font-size: 2.4rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-bottom: 1.5rem;
}

p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #d0d0d0;
    margin-bottom: 1.2rem;
}

.tags {
    margin-top: 0.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.9rem;
    align-items: start;
    min-height: 150px;
}

.tag-card {
    padding: 0.9rem 1rem;
    border-radius: 16px;
    border: 1px solid #2a2a2a;
    background: rgba(17, 17, 17, 0.7);
    text-align: left;
    transition: transform 480ms ease, border-color 480ms ease, box-shadow 480ms ease;
    align-self: start;
}

.tag-card.is-expanded,
.tag-card:hover,
.tag-card:focus-within {
    transform: translateY(-2px);
    border-color: #555;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
}

.tag-title {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #cfcfcf;
}

.tag-desc {
    margin-top: 0.55rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #8f8f8f;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 700ms ease, opacity 700ms ease;
}

.tag-card.is-expanded .tag-desc,
.tag-card:hover .tag-desc,
.tag-card:focus-within .tag-desc {
    max-height: 120px;
    opacity: 1;
    color: #ffffcf;
}

.notify {
    margin: 2rem auto 1.5rem;
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.notify input {
    width: min(320px, 100%);
    padding: 0.7rem 0.9rem;
    border-radius: 999px;
    border: 1px solid #2b2b2b;
    background: rgba(17, 17, 17, 0.75);
    color: #f2f2f2;
    outline: none;
}

.notify input::placeholder {
    color: #9a9a9a;
}

.notify button {
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    border: 1px solid #6fb8ff;
    background: #66b2ff;
    color: #0b2036;
    cursor: pointer;
}

.notify button:hover {
    background: #7bc0ff;
}

.notify-note {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #9a9a9a;
}

.footer {
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid #2a2a2a;
    font-size: 0.85rem;
    color: #8f8f8f;
    letter-spacing: 0.02em;
}

.top-menu {
    position: fixed;
    top: 20px;
    right: 24px;
    display: flex;
    gap: 12px;
    z-index: 10;
}

.top-menu a {
    color: #f2f2f2;
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(10, 10, 10, 0.55);
}

.top-menu a:hover {
    border-color: rgba(255, 255, 255, 0.35);
}

.page-title {
    margin: 1.5rem 0 1rem;
    font-size: 2rem;
}

.page-lead {
    margin-bottom: 1.5rem;
}

.form-card {
    margin: 1.5rem auto;
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid #2a2a2a;
    background: rgba(17, 17, 17, 0.8);
    display: grid;
    gap: 1rem;
    text-align: left;
}

.form-card button {
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    border: 1px solid #3a3a3a;
    background: #1f1f1f;
    color: #f2f2f2;
    cursor: pointer;
}

.form-card button:hover {
    background: #262626;
}

.field {
    display: grid;
    gap: 0.4rem;
    text-align: left;
}

.field input,
.field select {
    padding: 0.7rem 0.9rem;
    border-radius: 10px;
    border: 1px solid #2b2b2b;
    background: rgba(17, 17, 17, 0.75);
    color: #f2f2f2;
    outline: none;
}

.form-note {
    margin-top: 1rem;
    color: #9a9a9a;
}

.star-rating {
    display: inline-flex;
    flex-direction: row-reverse;
    gap: 0.2rem;
    justify-content: flex-end;
}

.star-rating input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.star-rating label {
    font-size: 1.4rem;
    color: #3a3a3a;
    cursor: pointer;
    transition: color 200ms ease;
}

.star-rating label:hover,
.star-rating label:hover ~ label {
    color: #ffc857;
}

.star-rating input:checked ~ label {
    color: #ffc857;
}

.oauth-row {
    margin-top: 0.5rem;
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
}

.oauth-btn {
    padding: 0.6rem 1rem;
    border-radius: 999px;
    border: 1px solid #3a3a3a;
    background: #1b1b1b;
    color: #cfcfcf;
}

.alert {
    margin: 1rem auto;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border: 1px solid transparent;
    background: rgba(17, 17, 17, 0.75);
    font-size: 0.95rem;
}

.alert.success {
    border-color: rgba(0, 176, 117, 0.4);
    color: #c9f7e3;
}

.alert.error {
    border-color: rgba(255, 92, 92, 0.4);
    color: #ffd1d1;
}

.alert.neutral {
    border-color: rgba(255, 255, 255, 0.12);
    color: #d0d0d0;
}

.section-title {
    margin: 2rem 0 1rem;
    font-size: 1.2rem;
    text-align: left;
}

.tab-bar {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    justify-content: flex-start;
}

.tab {
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: 1px solid #2f2f2f;
    background: rgba(15, 15, 15, 0.8);
    color: #cfcfcf;
    cursor: pointer;
    font-size: 0.9rem;
}

.tab.is-active {
    border-color: rgba(255, 255, 255, 0.35);
    color: #f2f2f2;
}

.star-rating.compact label {
    font-size: 1.1rem;
}

.items-grid {
    display: grid;
    gap: 1rem;
    text-align: left;
}

.item-card {
    padding: 1rem;
    border-radius: 14px;
    border: 1px solid #2a2a2a;
    background: rgba(15, 15, 15, 0.8);
    display: grid;
    gap: 0.6rem;
}

.item-title {
    font-size: 1.05rem;
    color: #f2f2f2;
}

.item-meta {
    color: #9a9a9a;
    font-size: 0.9rem;
}

.inline-form {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

.inline-form button {
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    border: 1px solid #3a3a3a;
    background: #1f1f1f;
    color: #f2f2f2;
    cursor: pointer;
}

.inline-form button:hover {
    background: #262626;
}

.inline-field {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.inline-actions {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    flex-wrap: wrap;
}

.inline-form button.remove {
    border-color: rgba(154, 86, 86, 0.4);
    color: #9a5f5f;
}

.resonance-summary {
    display: grid;
    gap: 1rem;
    text-align: left;
}

.summary-card {
    padding: 1rem;
    border-radius: 14px;
    border: 1px solid #2a2a2a;
    background: rgba(15, 15, 15, 0.8);
}

.summary-title {
    font-size: 1rem;
    margin-bottom: 0.6rem;
    color: #f2f2f2;
}

.summary-list {
    margin: 0;
    padding-left: 1.1rem;
    color: #cfcfcf;
}

.summary-note {
    color: #9a9a9a;
}

@media (max-height: 800px) {
    body {
        padding-top: 2px;
    }
    .logo img {
        width: 60%;
    }

    .container {
        padding-top: 5px;
    }
    
    .connect_img {
        width: 60%;
    }
    .tags {
        min-height: 150px;
    }
}
@media (max-height: 600px) {
    body {
        padding-top: 2px;
    }
    .logo img {
        width: 40%;
    }
    .container {
        padding-top: 5px;
    }
    
    .connect_img {
        width: 40%;
    }
    .tags {
        min-height: 130px;
    }
}