:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    background: linear-gradient(135deg, var(--bg-color), #1e1b4b);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    padding: 20px;
    padding-bottom: 60px;
}

.app-container {
    max-width: 600px;
    margin: 0 auto;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    animation: fadeInDown 0.6s ease-out;
}

.app-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.icon {
    font-size: 2.2rem;
}

.saved-amount-container {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 20px;
    padding: 24px 20px;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.15);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.saved-amount-container:hover {
    transform: translateY(-2px);
}

.saved-label {
    font-size: 1.1rem;
    color: #a7f3d0;
    font-weight: 700;
    margin-bottom: 5px;
}

.saved-value {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: #34d399;
    text-shadow: 0 0 15px rgba(52, 211, 153, 0.5);
    letter-spacing: 2px;
    line-height: 1;
}

/* Glass Card common */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

/* Form */
.input-section h2 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.required {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 8px;
    font-weight: 700;
}

.optional {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 8px;
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    background: rgba(15, 23, 42, 0.6);
    color: white;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
    background: rgba(15, 23, 42, 0.8);
}

input::placeholder,
textarea::placeholder {
    color: rgba(148, 163, 184, 0.5);
}

.custom-select-wrapper {
    position: relative;
}

.custom-select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

select {
    appearance: none;
    cursor: pointer;
}

.btn-primary {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--accent-blue), #4f46e5);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 10px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(1px);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.tab-btn {
    flex: 1;
    padding: 14px;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.tab-btn.active {
    background: var(--card-bg);
    color: var(--text-primary);
    border-bottom: 3px solid var(--accent-blue);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 800;
}

.tab-btn.active .badge {
    background: var(--accent-blue);
    color: white;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

/* List Items */
.list-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 60px 20px;
    background: rgba(30, 41, 59, 0.4);
    border-radius: 12px;
    border: 1px dashed var(--card-border);
    font-weight: 500;
}

.item-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    gap: 14px;
    backdrop-filter: blur(12px);
}

.item-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.item-card.cooling {
    background: rgba(30, 41, 59, 0.4);
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
}

.item-name {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    word-break: break-word;
}

.item-amount {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: #f1f5f9;
    white-space: nowrap;
}

.item-reason {
    font-size: 0.95rem;
    color: #cbd5e1;
    background: rgba(0, 0, 0, 0.25);
    padding: 12px;
    border-radius: 8px;
    border-left: 3px solid var(--accent-blue);
    word-break: break-word;
}

.countdown-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 12px;
    border-radius: 8px;
    color: #93c5fd;
    font-weight: 700;
    font-size: 0.95rem;
}

.countdown-box i {
    font-style: normal;
}

.action-buttons {
    display: flex;
    gap: 12px;
    margin-top: 5px;
}

.btn-reject,
.btn-approve {
    flex: 1;
    padding: 14px 10px;
    border-radius: 10px;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.3;
}

.btn-reject {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.btn-reject span {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.9;
}

.btn-reject:hover {
    background: var(--accent-green);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-approve {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.btn-approve span {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.9;
}

.btn-approve:hover {
    background: rgba(239, 68, 68, 0.25);
    transform: translateY(-2px);
}

footer {
    text-align: center;
    margin-top: 50px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-green), #059669);
    color: white;
    padding: 16px 32px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.5);
    transition: bottom 0.5s cubic-bezier(0.68, -0.55, 0.26, 1.55);
    z-index: 1000;
    white-space: nowrap;
}

.toast.show {
    bottom: 40px;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

@keyframes celebrate {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.celebrate-animation {
    animation: celebrate 0.5s ease-in-out;
}

/* Mobile Adjustments */
@media (max-width: 480px) {
    .saved-value {
        font-size: 2.8rem;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn-reject,
    .btn-approve {
        padding: 12px;
        flex-direction: row;
        gap: 8px;
    }
}

/* Wage Settings */
.margin-top {
    margin-top: 20px;
}

.card-sm {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 15px;
    backdrop-filter: blur(8px);
}

.wage-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
    font-weight: bold;
}

.wage-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.wage-input-group span {
    font-size: 0.9rem;
    font-weight: bold;
}

.wage-input-group input {
    flex: 1;
    padding: 8px 12px;
}

.btn-sm {
    padding: 8px 16px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
}

.btn-sm:hover {
    background: var(--accent-blue-hover);
}

/* Tags */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-btn {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tag-btn.selected {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent-blue);
    color: #93c5fd;
}

/* Item styles */
.item-url-locked {
    display: inline-block;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.3);
    padding: 6px 12px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    cursor: not-allowed;
    margin-top: 10px;
}

.item-url-unlocked {
    display: inline-block;
    color: white;
    background: var(--accent-blue);
    padding: 6px 12px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    margin-top: 10px;
    transition: 0.2s;
}

.item-url-unlocked:hover {
    background: var(--accent-blue-hover);
}

.item-wage-cost {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-top: 5px;
}

.item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.item-tag {
    font-size: 0.75rem;
    color: #93c5fd;
    background: rgba(59, 130, 246, 0.1);
    padding: 3px 8px;
    border-radius: 10px;
}

.share-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    margin-top: 12px;
    transition: 0.2s;
    width: 100%;
}

.share-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Test Mode Info */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: .4s;
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked+.slider {
    background-color: var(--accent-red);
}

input:checked+.slider:before {
    transform: translateX(24px);
}

.dev-info-details summary::after {
    content: '▼';
    float: right;
    color: var(--text-secondary);
}

.dev-info-details[open] summary::after {
    content: '▲';
}

.dev-info-details summary::-webkit-details-marker {
    display: none;
}