/* Buttons */
.btn-primary {
    background: var(--color-light-text);
    color: var(--color-light-bg);
    border: none;
    padding: var(--spacing-md) 2.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    font-family: inherit;
}

.btn-primary:hover {
    background: #1a1a1a;
}

.btn-primary:active {
    transform: scale(0.98);
}

.theme-toggle {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--color-light-text);
    color: var(--color-light-bg);
    border: var(--border-width) solid var(--color-light-text);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-tiny);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    z-index: 1000;
}

.theme-toggle:hover {
    transform: translateX(-2px) translateY(2px);
    box-shadow: 2px -2px 0 var(--color-light-text);
}

.copy-btn {
    background: var(--color-light-surface);
    border: var(--border-width) solid var(--color-light-text);
    color: var(--color-light-text);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-tiny);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    font-family: inherit;
}

.copy-btn:hover {
    background: var(--color-light-text);
    color: var(--color-light-surface);
}

.copy-btn:active {
    transform: scale(0.95);
}

.copy-btn.copied {
    background: var(--color-light-text);
    color: var(--color-light-surface);
}

/* Form Elements */
.input-wrapper {
    display: flex;
    gap: 0;
    border: var(--border-width) solid var(--color-light-text);
    transition: transform var(--transition-fast), 
                border-color var(--transition-normal), 
                box-shadow var(--transition-fast);
}

.input-wrapper:focus-within {
    transform: translateX(var(--shadow-offset)) translateY(calc(var(--shadow-offset) * -1));
    box-shadow: calc(var(--shadow-offset) * -1) var(--shadow-offset) 0 var(--color-light-text);
}

input[type="url"] {
    flex: 1;
    background: var(--color-light-surface);
    border: none;
    color: var(--color-light-text);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 400;
    outline: none;
    font-family: inherit;
    transition: background-color var(--transition-normal), 
                color var(--transition-normal);
}

input[type="url"]::placeholder {
    color: var(--color-light-text-muted);
    transition: color var(--transition-normal);
}

/* Result Box */
.result-content {
    background: var(--color-light-surface);
    border: var(--border-width) solid var(--color-light-text);
    padding: var(--spacing-lg);
    position: relative;
    transition: background-color var(--transition-normal), 
                border-color var(--transition-normal);
}

.result-content::before {
    content: '';
    position: absolute;
    top: var(--shadow-offset);
    left: var(--shadow-offset);
    right: calc(var(--shadow-offset) * -1);
    bottom: calc(var(--shadow-offset) * -1);
    border: var(--border-width) solid var(--color-light-text);
    z-index: -1;
    transition: border-color var(--transition-normal);
}

.result-label {
    font-size: var(--font-size-tiny);
    color: var(--color-light-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    font-weight: 600;
    transition: color var(--transition-normal);
}

.result-url {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.result-url a {
    color: var(--color-light-text);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border-bottom: var(--border-width) solid var(--color-light-text);
    padding-bottom: 2px;
    transition: color var(--transition-normal), 
                border-color var(--transition-normal);
}

.result-url a:hover {
    border-bottom-width: 3px;
}

/* Error State */
.error {
    background: var(--color-error-light);
    border-color: var(--color-error-border-light);
}

.error::before {
    border-color: var(--color-error-border-light);
}

.error .result-label {
    color: var(--color-error-border-light);
}

/* Loading State */
.loading .btn-primary {
    pointer-events: none;
    opacity: 0.6;
}

/* Mobile Styles */
@media (max-width: 640px) {
    .theme-toggle {
        top: 1rem;
        right: 1rem;
        padding: var(--spacing-xs) 1.2rem;
        font-size: var(--font-size-tiny);
    }

    .input-wrapper {
        flex-direction: column;
    }

    .input-wrapper:focus-within {
        transform: translateY(calc(var(--shadow-offset) * -1));
        box-shadow: 0 var(--shadow-offset) 0 var(--color-light-text);
    }

    .btn-primary {
        width: 100%;
    }

    .result-url {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

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