/* Attractive color palette with enhanced 3D shadow colors */
:root {
    --primary-gradient: linear-gradient(135deg, #74ebd5, #acb6e5);
    --button-bg: #ff6b6b;
    --button-hover: #e63946;
    --table-header: #2d6a4f;
    --modal-bg: #ffffff;
    --text-primary: #333;
    --shadow-primary: rgba(0, 0, 0, 0.2);
    --shadow-highlight: rgba(255, 107, 107, 0.3);
    --shadow-depth: rgba(44, 62, 80, 0.4);
    --highlight: #ffd700;
}


.register-title {
    margin-top: 1rem;
    font-size: 2rem;
    color: #d63031;
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px var(--shadow-primary), 0 0 8px var(--shadow-highlight);
}

.stock-form {
    background: var(--modal-bg);
    padding: 20px;
    border-radius: 12px;
    margin: 0 auto;
    max-width: 1000px;
    transform: perspective(1000px) rotateX(2deg) rotateY(2deg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow:
        5px 5px 10px var(--shadow-depth),
        -5px -5px 10px var(--shadow-highlight),
        2px 2px 5px var(--shadow-primary),
        inset 0 0 5px var(--shadow-highlight);
}

.stock-form:hover {
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
    box-shadow:
        8px 8px 15px var(--shadow-depth),
        -8px -8px 15px var(--shadow-highlight),
        3px 3px 8px var(--shadow-primary),
        inset 0 0 8px var(--shadow-highlight);
}

.input-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.input-container label {
    font-weight: bold;
    color: var(--text-primary);
}

.input-container input,
.input-container select {
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: inset 2px 2px 5px var(--shadow-primary);
}

.input-container input:focus {
    border-color: var(--button-bg);
    box-shadow:
        inset 2px 2px 5px var(--shadow-primary),
        0 0 8px var(--shadow-highlight);
    outline: none;
}

.action-btn {
    margin-top: 15px;
    padding: 10px;
    background-color: var(--button-bg);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    transform: perspective(500px) translateZ(0);
    box-shadow:
        3px 3px 6px var(--shadow-depth),
        -3px -3px 6px var(--shadow-highlight);
}

.action-btn:hover {
    background-color: var(--button-hover);
    transform: perspective(500px) translateZ(10px);
    box-shadow:
        5px 5px 10px var(--shadow-depth),
        -5px -5px 10px var(--shadow-highlight);
}

.action-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--highlight);
    opacity: 0.3;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease, opacity 0.4s ease;
}

.action-btn:hover::after {
    width: 200px;
    height: 200px;
    opacity: 0;
}

.stock-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: var(--modal-bg);
    box-shadow:
        5px 5px 10px var(--shadow-depth),
        -5px -5px 10px var(--shadow-highlight),
        2px 2px 5px var(--shadow-primary);
    transform: perspective(1000px) rotateX(1deg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stock-table:hover {
    transform: perspective(1000px) rotateX(0deg);
    box-shadow:
        8px 8px 15px var(--shadow-depth),
        -8px -8px 15px var(--shadow-highlight),
        3px 3px 8px var(--shadow-primary);
}

.stock-table th,
.stock-table td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: center;
    transition: background-color 0.3s ease;
}

.stock-table th {
    background-color: var(--table-header);
    color: white;
    box-shadow: inset 2px 2px 5px var(--shadow-depth);
}

.stock-table tr:hover td {
    background-color: #f0f0f0;
    box-shadow: inset 1px 1px 3px var(--shadow-primary);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease-in-out;
}

.modal-content {
    background: var(--modal-bg);
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    transform: perspective(1000px) translateZ(20px) rotateX(2deg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow:
        6px 6px 12px var(--shadow-depth),
        -6px -6px 12px var(--shadow-highlight),
        3px 3px 6px var(--shadow-primary),
        inset 0 0 5px var(--shadow-highlight);
    animation: slideIn 0.3s ease-out;
}

.modal-content:hover {
    transform: perspective(1000px) translateZ(30px) rotateX(0deg);
    box-shadow:
        8px 8px 15px var(--shadow-depth),
        -8px -8px 15px var(--shadow-highlight),
        4px 4px 8px var(--shadow-primary),
        inset 0 0 8px var(--shadow-highlight);
}

.modal-content h2 {
    margin-top: 0;
    color: var(--table-header);
}

.modal-content .input-container {
    margin-bottom: 20px;
}

.modal-content .action-btn {
    width: 100%;
}

.close-btn {
    float: right;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-primary);
    transition: color 0.3s ease, transform 0.3s ease;
}

.close-btn:hover {
    color: var(--button-bg);
    transform: scale(1.2);
}


/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: perspective(1000px) translateZ(-50px) rotateX(5deg);
        opacity: 0;
    }

    to {
        transform: perspective(1000px) translateZ(20px) rotateX(2deg);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 800px) {
    .register-title {
        font-size: 1.5rem;
        text-shadow: 1px 1px 3px var(--shadow-primary);
    }

    .stock-form,
    .footer {
        padding: 15px;
        max-width: 100%;
        box-shadow:
            4px 4px 8px var(--shadow-depth),
            -4px -4px 8px var(--shadow-highlight);
    }

    .stock-table th,
    .stock-table td {
        padding: 8px;
        font-size: 0.9rem;
    }

    .input-container input,
    .input-container select {
        font-size: 0.9rem;
    }

    .action-btn {
        padding: 8px;
        font-size: 0.9rem;
        box-shadow:
            2px 2px 4px var(--shadow-depth),
            -2px -2px 4px var(--shadow-highlight);
    }

    .modal-content {
        width: 95%;
        max-width: 400px;
        box-shadow:
            4px 4px 8px var(--shadow-depth),
            -4px -4px 8px var(--shadow-highlight);
    }

    .footer .team {
        flex-direction: column;
        align-items: center;
    }

    .footer .team div {
        width: 100%;
        max-width: 250px;
        box-shadow:
            2px 2px 4px var(--shadow-depth),
            -2px -2px 4px var(--shadow-highlight);
    }
}

@media (max-width: 480px) {
    .register-title {
        font-size: 1.2rem;
        text-shadow: 1px 1px 2px var(--shadow-primary);
    }

    .stock-table {
        font-size: 0.8rem;
        box-shadow:
            3px 3px 6px var(--shadow-depth),
            -3px -3px 6px var(--shadow-highlight);
    }

    .stock-table th,
    .stock-table td {
        padding: 6px;
    }

    .input-container label {
        font-size: 0.9rem;
    }

    .modal-content {
        padding: 15px;
        box-shadow:
            3px 3px 6px var(--shadow-depth),
            -3px -3px 6px var(--shadow-highlight);
    }
}