/* CSS Reset & Basics */
:root {
    --primary-color: #4a90e2;
    --primary-dark: #357abd;
    --background-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-color: #333;
    --text-muted: #666;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --transition: all 0.3s ease;
}

* {
    font-size: 12pt;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-image: url(../img/background.png);
    /* Improve default font if not set */
    font-family: 'Noto Sans KR', sans-serif;
}

/* ... existing logic ... */
/* Retain existing layout styles but ensure variables work */

a {
    color: black;
    text-decoration: none;
}

.project-container {
    width: 1200px;
    padding-top: 40px;
    background-color: #fff;
    margin-left: auto;
    margin-right: auto;
    min-height: 100vh;
}

/* ... keep existing list/header styles ... */
#site-title {
    text-align: center;
    font-size: 2.0rem;
    text-shadow: 0 0 10px #666;
}

#site-subtitle {
    padding-top: 20px;
    text-align: center;
    font-size: 1.3rem;
}

.year-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    margin-top: 20px;
    padding-left: 20px;
    padding-right: 20px;
}

.year-list-item {
    background-color: #555;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 10px;
}

.year-list-item:hover {
    background-color: #777;
}

.year-list-item a span {
    color: #fff;
    font-size: 1.25rem;
}

.year-list-item a span.active {
    text-decoration: underline;
    font-weight: bold;
    color: yellow;
}

#item-container {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 20px;
}

.project-item {
    box-shadow: 0 0 10px #aaa;
    border-radius: 10px;
    padding: 10px;
    overflow: hidden;
}

.project-item:hover {
    box-shadow: 0 0 10px #555;
}

.project-image {
    width: 100%;
    height: 200px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-title {
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 5px 0;
    background-color: skyblue;
    text-align: center;
}

.project-team {
    text-align: right;
    text-decoration: underline;
    font-weight: bold;
}

.my-team,
.my-team a {
    color: orangered;
}

.my-team::before {
    content: '[';
}

.my-team::after {
    content: ']';
}

.project-desc {
    height: 100px;
    overflow: hidden;
    margin-top: 10px;
    margin-bottom: 10px;
    text-align: justify;
    line-height: 1.3;
}

.project-desc a {
    font-size: 0.9rem;
}

#no-portfolio {
    text-align: center;
    font-size: 3rem;
    color: orangered;
    font-weight: bold;
    width: 100%;
    padding-top: 100px;
    padding-bottom: 100px;
}

footer {
    width: 1200px;
    height: 100px;
    background-color: #555;
    color: #fff;
    margin-left: auto;
    margin-right: auto;
    padding-top: 40px;
    font-size: 1.1rem;
    text-align: center;
}

footer span {
    font-size: 1.1rem;
}

footer a {
    font-size: 1.1rem;
    color: #fff;
}

/* --- NEW FORM STYLES --- */

.form-title {
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 2rem;
    color: #2c3e50;
    font-weight: 700;
    font-size: 1.8rem;
}

.form-container {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    margin: 30px auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 0px;
    /* reset */
}

/* Input Styling */
.input-group {
    position: relative;
    width: 100%;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    /* Center vertically... */
    transform: translateY(-50%);
    color: #a0aec0;
    transition: var(--transition);
    z-index: 2;
    pointer-events: none;
}

/* Special case for textarea icon */
.input-group.textarea-group i {
    top: 20px;
    /* Align to top for textarea */
    transform: none;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 12px 12px 12px 45px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
    background-color: #f8fafc;
}

.form-group textarea {
    width: 100%;
    padding: 12px 12px 12px 45px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
    background-color: #f8fafc;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.form-group input:focus+i,
.form-group textarea:focus+i {
    color: var(--primary-color);
    /* This selector won't work if i is before input, handled by .input-group:focus-within in newer CSS, or swap order in HTML */
}

/* Use focus-within if possible, or assume icons are placed appropriately */
.input-group:focus-within i {
    color: var(--primary-color);
}

/* File Input Styling */
.file-upload-wrapper {
    position: relative;
    border: 2px dashed #cbd5e0;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    background: #f8fafc;
    transition: var(--transition);
    cursor: pointer;
}

.file-upload-wrapper:hover {
    border-color: var(--primary-color);
    background: #ebf8ff;
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
}

.file-upload-content i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 1rem;
    box-shadow: 0 4px 6px rgba(74, 144, 226, 0.25);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 14px rgba(74, 144, 226, 0.3);
    background-color: transparent !important;
    /* override old hover */
}

.btn-submit:active {
    transform: translateY(0);
}

.current-image-container {
    background: #f1f5f9;
    padding: 10px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid #e2e8f0;
}

/* Media Queries (Updated to match container logic) */
@media (max-width: 1300px) {
    .project-container {
        width: 1000px;
    }

    #item-container {
        grid-template-columns: repeat(4, 1fr);
    }

    footer {
        width: 1000px;
    }
}

@media (max-width: 1064px) {
    .project-container {
        width: 764px;
    }

    #item-container {
        grid-template-columns: repeat(3, 1fr);
    }

    footer {
        width: 764px;
    }
}

@media (max-width: 828px) {
    .project-container {
        width: 528px;
    }

    #item-container {
        grid-template-columns: repeat(2, 1fr);
    }

    footer {
        width: 528px;
    }
}

@media (max-width: 592px) {
    .project-container {
        width: 100%;
        min-width: 350px;
    }

    #item-container {
        grid-template-columns: 1fr;
    }

    footer {
        width: 100%;
        min-width: 350px;
    }

    .mobile-hidden {
        display: none;
    }
}