:root {
    --primary-color: #1f78d1;
    --bg-color: #eef3f9;
    --card-bg: #ffffff;
    --border-color: #d9e2ef;
    --danger-color: #db3a3a;
    --text-color: #1c2b3a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    background: linear-gradient(180deg, #eff4fb 0%, #e4edf8 100%);
    color: var(--text-color);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    width: 100%;
    max-width: 860px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 8px 30px rgba(22, 45, 76, 0.08);
}

h1 {
    margin: 0 0 20px;
    text-align: center;
    font-size: 1.6rem;
}

.group-name-container {
    margin-bottom: 20px;
    text-align: center;
}

.group-name-container label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.group-name-container input {
    width: 100%;
    max-width: 300px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}

#inputs-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.input-group {
    display: grid;
    grid-template-columns: 1fr 1.4fr 1fr auto;
    gap: 10px;
    align-items: center;
}

input[type="text"],
.icon-picker-summary {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s;
    font-size: 14px;
    background-color: #ffffff;
    color: var(--text-color);
    margin-bottom: 5px;
}

input[type="text"]:focus,
.icon-picker-summary:focus {
    border-color: var(--primary-color);
}

.icon-picker {
    width: 100%;
    position: relative;
}

.icon-picker-details {
    width: 100%;
    position: relative;
}

.icon-picker-summary {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    cursor: pointer;
    user-select: none;
    min-height: 44px;
}

.icon-picker-summary::-webkit-details-marker {
    display: none;
}

.icon-picker-details[open] .icon-picker-summary {
    border-color: var(--primary-color);
}

.icon-picker-current-icon {
    width: 22px;
    height: 22px;
    border-radius: 5px;
    border: 1px solid #d8e4f2;
    object-fit: cover;
    flex-shrink: 0;
}

.icon-picker-current-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.icon-picker-list {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    left: 0;
    max-height: 230px;
    overflow: auto;
    border: 1px solid #c8d7ea;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(16, 40, 68, 0.12);
    z-index: 20;
    padding: 6px;
}

.icon-picker-option {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 10px;
    border: none;
    border-radius: 8px;
    background: #ffffff;
    color: var(--text-color);
    text-align: right;
    cursor: pointer;
}

.icon-picker-option:hover {
    background: #eef4fc;
}

.icon-picker-option-icon {
    width: 22px;
    height: 22px;
    border-radius: 5px;
    border: 1px solid #d8e4f2;
    object-fit: cover;
    flex-shrink: 0;
}

.icon-picker-option-empty {
    width: 22px;
    text-align: center;
    opacity: 0.65;
    flex-shrink: 0;
}

.icon-picker-option-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

button {
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    padding: 11px 14px;
}

.btn-add-line {
    margin-top: 14px;
    background-color: #28b36f;
    color: #ffffff;
    width: 100%;
}

.btn-remove {
    background-color: var(--danger-color);
    color: #ffffff;
    white-space: nowrap;
}

.btn-generate {
    margin-top: 12px;
    width: 100%;
    background-color: var(--primary-color);
    color: #ffffff;
}

.icons-status {
    margin: 12px 0 0;
    font-size: 13px;
    color: #2a567f;
}

.icons-status.warning {
    color: #8a4d00;
}

#qr-container {
    margin-top: 20px;
    border: 1px dashed #b9cae0;
    background-color: #f7fbff;
    border-radius: 12px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

#qr-code {
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#qr-code img,
#qr-code canvas {
    border-radius: 6px;
}

.qr-actions,
.final-link-wrap {
    width: 100%;
    display: flex;
    gap: 8px;
}

.final-link {
    flex: 1;
    border: 1px solid var(--border-color);
    background-color: #ffffff;
    border-radius: 10px;
    padding: 10px 12px;
    text-decoration: none;
    color: #1d4f86;
    direction: ltr;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-secondary {
    background-color: #e4ecf6;
    color: #153a63;
}

.copy-status {
    min-height: 18px;
    margin: 0;
    font-size: 13px;
    color: #2d6d34;
}

#links-display {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.link-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-color);
    background-color: #ffffff;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 64px;
    transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.link-card:hover {
    transform: translateY(-2px);
    border-color: #8eb5de;
    box-shadow: 0 6px 16px rgba(31, 120, 209, 0.12);
}

.link-icon {
    width: 32px;
    height: 32px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #d8e4f2;
    flex-shrink: 0;
}

.link-name {
    font-weight: 700;
    text-align: center;
}

.btn-reset {
    width: 100%;
    background-color: #d9dee6;
    color: #2a3440;
}

.hidden {
    display: none !important;
}

@media (max-width: 780px) {
    .input-group {
        grid-template-columns: 1fr;
    }

    .btn-remove {
        width: 100%;
    }

    .qr-actions,
    .final-link-wrap {
        flex-direction: column;
    }

    .btn-secondary {
        width: 100%;
    }
}