@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@500;600;700&display=swap');

:root {
    --bg-color: #0c0e12;
    --card-bg: #161a22;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #2dd4bf 100%);
    --input-bg: #1f2937;
    --input-border: #374151;
    --modal-overlay: rgba(0, 0, 0, 0.8);
    --success-color: #10b981;
    --error-color: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background-image:
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(45, 212, 191, 0.1) 0px, transparent 50%);
}

.container {
    width: 100%;
    max-width: 450px;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    margin-bottom: 8px;
    text-align: center;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

p.subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
    font-size: 0.9rem;
}

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

.location-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.03);
    padding: 4px;
    border-radius: 14px;
    border: 1px solid var(--input-border);
}

.tab-btn {
    flex: 1;
    padding: 10px;
    margin: 0;
    font-size: 0.9rem;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.tab-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: none;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input {
    width: 100%;
    padding: 12px 16px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.input-with-button {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-button input {
    padding-right: 45px;
    /* ボタンのスペースを確保 */
}

.btn-clear {
    position: absolute;
    right: 8px;
    width: 32px;
    height: 32px;
    padding: 0;
    margin: 0;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border: none;
}

.btn-clear:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
    transform: none;
    box-shadow: none;
}

button {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.4);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.status-message {
    margin-top: 20px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    display: none;
}

/* Settings Icon */
.settings-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
    font-size: 1.5rem;
    z-index: 10;
}

.settings-icon:hover {
    color: var(--text-primary);
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal {
    background: var(--card-bg);
    width: 95%;
    max-width: 500px;
    padding: 32px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

/* Guide Styles */
.guide-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
    position: relative;
}

.step-item {
    flex: 1;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.step-number {
    width: 24px;
    height: 24px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 8px;
    font-weight: 600;
}

.step-item.active {
    color: var(--text-primary);
}

.step-item.active .step-number {
    background: var(--accent-gradient);
    border: none;
    color: white;
}

.guide-content {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
    text-align: center;
}

.guide-image {
    width: 100%;
    max-height: 150px;
    object-fit: contain;
    margin-bottom: 16px;
    border-radius: 12px;
}

.guide-text {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.guide-text b {
    color: var(--text-primary);
}

.url-check-icon {
    margin-right: 8px;
}

.valid-url {
    color: var(--success-color);
}

.invalid-url {
    color: var(--error-color);
}

.modal h2 {
    font-family: 'Outfit', sans-serif;
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--input-border);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    box-shadow: none;
}

.status-message.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Micro-animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Confirm Modal Styles */
.confirm-content {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
    border: 1px solid var(--input-border);
}

.confirm-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.confirm-item:last-child {
    border-bottom: none;
}

.confirm-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.confirm-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

.container {
    animation: fadeIn 0.6s ease-out;
}