/* Catppuccin Mocha Palette */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&display=swap');

:root {
    --base: #1e1e2e;
    --mantle: #181825;
    --crust: #11111b;
    --text: #cdd6f4;
    --subtext: #a6adc8;
    --mauve: #cba6f7;
    --blue: #89b4fa;
    --green: #a6e3a1;
    --surface0: #313244;
    --surface1: #45475a;
    --lavender: #b4befe;
    --red: #f38ba8;
}

/* Global Styles */
body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--base);
    color: var(--text);
    margin: 0;
    line-height: 1.6;
}

/* Header & Typography */
header {
    position: relative; /* تم إضافة هذا السطر */
    text-align: center;
    padding: 60px 20px;
    background-color: var(--mantle);
    border-bottom: 2px solid var(--mauve);
}

/* التنسيق الخاص برابط تسجيل الدخول */
.auth-link {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--mauve);
    text-decoration: none;
    font-size: 1rem;
    font-weight: bold;
    transition: 0.3s ease;
}

.auth-link:hover {
    color: var(--lavender);
    text-decoration: underline;
}

header h1 {
    color: var(--mauve);
    font-size: 2.5rem;
    margin: 0;
}

header p {
    color: var(--subtext);
    font-size: 1.1rem;
}

/* Sticky Navigation Bar */
nav {
    text-align: center;
    padding: 15px;
    background-color: var(--crust);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav a {
    color: var(--blue);
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

nav a:hover {
    color: var(--lavender);
    text-decoration: underline;
}

/* Layout Sections */
section {
    max-width: 900px;
    margin: auto;
    padding: 40px 20px;
}

h2 {
    color: var(--mauve);
    border-bottom: 1px solid var(--surface0);
    padding-bottom: 10px;
}

/* Projects Grid (Main Page) */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.project {
    background-color: var(--surface0);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: 0.3s;
    display: flex;
    flex-direction: column;
}

.project:hover {
    border-color: var(--mauve);
    transform: translateY(-5px);
}

.project h3 a {
    color: var(--blue);
    text-decoration: none;
}

.project a.btn {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 16px;
    background-color: var(--green);
    color: var(--crust);
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    align-self: flex-start;
    transition: 0.3s;
}

/* Gallery Grid (Wallpaper Pages) */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.gallery-grid img {
    width: 100%;
    height: 180px; 
    object-fit: cover; 
    object-position: center;
    border-radius: 8px;
    border: 2px solid var(--surface0);
    transition: 0.3s ease-in-out;
    background-color: var(--surface0);
}

.gallery-grid img:hover {
    border-color: var(--mauve);
    transform: scale(1.02);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

/* Unified Pagination System */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 50px auto 30px auto;
    padding: 0 15px;
}

.pagination a {
    padding: 8px 16px;
    background-color: var(--surface0);
    color: var(--text);
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: 0.3s ease;
    border: 1px solid transparent;
}

.pagination a:hover:not(.disabled) {
    background-color: var(--mauve);
    color: var(--crust);
    transform: translateY(-2px);
}

.pagination a.active {
    background-color: var(--green) !important;
    color: var(--crust) !important;
    pointer-events: none;
}

.pagination a.disabled {
    color: var(--subtext);
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    background-color: var(--mantle);
    color: var(--subtext);
    font-size: 0.9rem;
    margin-top: 50px;
}

/* =========================================
   Feedback Prank Button & Modal Styles
   ========================================= */
.feedback-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--surface1);
    color: var(--text);
    border: 1px solid var(--surface0);
    border-radius: 8px;
    padding: 10px 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    transition: 0.3s ease;
    z-index: 1000;
}

.feedback-btn:hover {
    background-color: var(--mauve);
    color: var(--crust);
    transform: translateY(-2px);
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(17, 17, 27, 0.8); /* Catppuccin crust with opacity */
    z-index: 1001;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--base);
    border: 1px solid var(--surface0);
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    margin: 10% auto;
    padding: 25px;
    position: relative;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-btn {
    position: absolute;
    top: 10px; right: 15px;
    color: var(--subtext);
    font-size: 24px;
    cursor: pointer;
    transition: 0.2s;
}

.close-btn:hover { color: var(--red); }

.form-input {
    width: 100%;
    background-color: var(--surface0);
    border: 1px solid var(--surface1);
    color: var(--text);
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--mauve);
}

.submit-btn {
    width: 100%;
    background-color: var(--green);
    color: var(--crust);
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

.submit-btn:hover { background-color: var(--blue); }

/* =========================================
   Authentication Page Styles
   ========================================= */
.auth-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh; /* يجعل الصفحة تأخذ طول الشاشة بالكامل */
    margin: 0;
    background-color: var(--crust); /* لون خلفية أغمق قليلاً للتركيز على المربع */
}

.auth-container {
    background-color: var(--base);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--surface0);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    width: 100%;
    max-width: 400px; /* عرض مناسب للمربع */
    box-sizing: border-box;
    animation: slideDown 0.4s ease-out; /* استخدام نفس حركة الأنيميشن السابقة */
}

.back-link {
    color: var(--subtext);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 25px;
    transition: 0.3s ease;
    font-weight: bold;
}

.back-link:hover {
    color: var(--green);
    transform: translateX(-5px); /* حركة خفيفة لليسار عند التمرير */
}

.auth-tabs {
    display: flex;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--surface0);
}

.auth-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--subtext);
    padding: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s ease;
}

.auth-tab.active {
    color: var(--mauve);
    border-bottom: 2px solid var(--mauve);
    margin-bottom: -2px; /* لتغطية الخط السفلي للـ container */
}

.auth-tab:hover:not(.active) {
    color: var(--text);
}

/* Responsive Design */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    header {
        padding: 40px 20px;
    }

    header h1 {
        font-size: 2rem;
    }
    
    /* Adjust Auth Link for mobile */
    .auth-link {
        top: 15px;
        right: 15px;
        font-size: 0.85rem;
    }

    nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        padding: 15px 10px;
    }

    nav a {
        margin: 0;
        font-size: 0.95rem;
    }

    .pagination {
        gap: 8px;
        margin-bottom: 40px; 
    }

    .pagination a {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    /* Adjust Feedback Button for mobile */
    .feedback-btn {
        bottom: 15px;
        right: 15px;
        padding: 8px 16px;
        font-size: 14px;
    }
}