/* Glassmorphism Cards */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    width: 100%;
    max-width: var(--container-width);
    padding: 20px;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
}

.tool-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
}

/* Tool Interface Container */
.tool-page {
    width: 100%;
    max-width: 800px;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#tool-interface {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    margin: 30px 0;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn,
.btn-sm {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
}

.btn:hover {
    box-shadow: 0 0 15px var(--primary-glow);
    filter: brightness(1.1);
}

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

/* Inputs */
input[type="file"],
input[type="text"] {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    color: #fff;
    width: 100%;
    max-width: 400px;
    margin-bottom: 15px;
}

input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Drop area */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    width: 100%;
    transition: 0.3s;
    cursor: pointer;
}

.drop-zone.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}