:root {
    --primary-blue: #002aa3;
    --primary-green: #00d084;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 16px;
    padding: 40px;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    margin: auto 0;
}

.logo {
    text-align: center;
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 16px;
    letter-spacing: -1px;
    display: block;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s;
    font-family: 'Sansation', sans-serif;
}

.logo:hover {
    opacity: 0.8;
}

h1 {
    text-align: center;
    color: #404040;
    margin-bottom: 10px;
    font-size: 24px;
}

h2 {
    color: var(--primary-blue);
    margin-bottom: 16px;
    font-size: 20px;
}

.converter-section {
    margin-bottom: 40px;
}

.input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

input[type="text"] {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-blue);
}

button {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0052ff 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 51, 204, 0.4);
}

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

.result {
    padding: 16px;
    background: #f5f5f5;
    border-radius: 8px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-blue);
    word-break: break-word;
}

.result:empty {
    display: none;
}

.result.error {
    color: #e74c3c;
    font-size: 16px;
}

.info {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 2px solid #e0e0e0;
    color: #777;
    font-size: 14px;
    line-height: 1.6;
}

.info p {
    margin-bottom: 8px;
}

.phrase-page h1 {
    font-size: 36px;
    margin-bottom: 32px;
    word-break: break-word;
}

.phone-display {
    text-align: center;
    margin: 40px 0;
}

.phone-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.call-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0052ff 100%);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.call-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 51, 204, 0.4);
}

.call-button:active {
    transform: translateY(0);
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.copy-button {
    background: #f5f5f5;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.copy-button:hover {
    background: var(--primary-blue);
    color: white;
}

.phrase-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.phrase-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.phrase-link {
    color: inherit;
    text-decoration: none;
    border-bottom: 2px solid currentColor;
    transition: opacity 0.2s;
    flex: 1;
}

.phrase-link:hover {
    opacity: 0.7;
}

.copy-icon-btn {
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s;
    flex-shrink: 0;
}

.copy-icon-btn:hover {
    background: rgba(0, 51, 204, 0.1);
}

.copy-icon-btn svg {
    display: block;
}

.phrase-note {
    font-size: 14px;
    color: #777;
    text-align: center;
    margin-top: 4px;
}

.home-link {
    display: inline-block;
    padding: 12px 24px;
    background: transparent;
    color: var(--primary-blue);
    text-decoration: none;
    border: 2px solid var(--primary-blue);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s;
    text-align: center;
}

.home-link:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
}

@media (max-width: 600px) {
    .container {
        padding: 24px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    .logo {
        font-size: 36px;
    }
    
    .phrase-page h1 {
        font-size: 28px;
    }
    
    .phone-number {
        font-size: 32px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    button {
        width: 100%;
    }
    
    .call-button {
        width: 100%;
        justify-content: center;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .copy-button,
    .home-link {
        width: 100%;
    }
    
    .phrase-option {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .phrase-link {
        font-size: 14px;
        padding: 8px 0;
        word-break: break-word;
    }
    
    .copy-icon-btn {
        width: 100%;
    }
}

.footer {
    margin-top: auto;
    padding: 20px;
    text-align: center;
    font-size: 12px;
    color: #ffffff;
}

.heart {
    color: #ffffff;
    margin: 0 2px;
}

.footer-flag {
    height: 1em;
    margin-left: 4px;
    vertical-align: middle;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0, 51, 204, 0.2);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.phone-link {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s;
}

.phone-link:hover {
    opacity: 0.7;
}

.language-toggle {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.language-btn {
    background: transparent;
    border: none;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: #cccccc;
    transition: all 0.2s;
}

.language-btn.active {
    background: var(--primary-blue);
    color: #ffffff;
    border-radius: 4px;
}

.language-btn:hover:not(.active) {
    color: #999999;
}