@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Arabic:wght@300;400;600&display=swap');

:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --sidebar-glass: rgba(15, 15, 15, 0.6);
    --input-bg: rgba(20, 20, 22, 0.7);
    --glass-header: rgba(255, 255, 255, 0.02);
}

.light-mode {
    --bg-color: #f8f9fa;
    --text-color: #1a1a1a;
    --glass-bg: rgba(0, 0, 0, 0.03);
    --sidebar-glass: rgba(255, 255, 255, 0.6);
    --input-bg: rgba(240, 240, 243, 0.8);
    --glass-header: rgba(0, 0, 0, 0.02);
}

body {
    font-family: 'Noto Sans Arabic', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    overflow: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Glassmorphism Effects */
.glass-base {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(128, 128, 128, 0.1);
}

.glass-header {
    background: var(--glass-header);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(128, 128, 128, 0.05);
}

.sidebar-panel {
    background: var(--sidebar-glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-left: 1px solid rgba(128, 128, 128, 0.1);
    z-index: 250;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-bar {
    background: var(--input-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(128, 128, 128, 0.1);
}

/* Message Styling */
.message-container {
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    position: relative;
}

.message-user {
    align-self: flex-start;
    text-align: left;
    color: var(--text-color);
    max-width: 80%;
    animation: fadeIn 0.4s ease-in;
}

.message-ai {
    align-self: flex-end;
    text-align: right;
    color: var(--text-color);
    max-width: 80%;
    animation: fadeIn 0.4s ease-in;
}

.message-agent {
    align-self: flex-end;
    text-align: right;
    color: var(--text-color);
    max-width: 80%;
    animation: fadeIn 0.4s ease-in;
    background: rgba(147, 112, 219, 0.1);
    border: 1px solid rgba(147, 112, 219, 0.2);
    border-radius: 16px;
    padding: 12px 16px;
}


@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Square Images */
.home-image-card {
    aspect-ratio: 1 / 1;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    border: 1px solid rgba(128, 128, 128, 0.1);
}

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

/* Image Overlay */
#imageOverlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}

#imageOverlay img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 12px;
}

.close-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    color: white;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 50%;
}

/* Mode Icon Badge */
.mode-badge {
    display: none;
    align-items: center;
    gap: 4px;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 10px;
    color: #3b82f6;
    position: relative;
    cursor: pointer;
    user-select: none;
}

.mode-badge.agent {
    background: rgba(147, 112, 219, 0.2);
    border: 1px solid rgba(147, 112, 219, 0.3);
    color: #a78bfa;
}

.mode-badge .delete-x {
    font-size: 12px;
    font-weight: bold;
    color: #ef4444;
    margin-right: 4px;
}

/* Options Popup */
#optionsMenu {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 1rem;
    width: 200px;
    background: var(--sidebar-glass);
    backdrop-filter: blur(25px);
    border-radius: 24px;
    padding: 8px;
    border: 1px solid rgba(128, 128, 128, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    z-index: 300;
}

.option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: 16px;
    transition: background 0.2s;
    cursor: pointer;
    font-size: 14px;
}
.option-item:hover { background: rgba(255, 255, 255, 0.05); }

.no-scrollbar::-webkit-scrollbar { display: none; }

/* Login Page Styling */
#loginPage {
    position: fixed;
    inset: 0;
    background: #000000;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 40px 20px;
    text-align: center;
}

.login-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 32px;
    padding: 32px;
    width: 100%;
    max-width: 400px;
    margin-bottom: 40px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px;
    border-radius: 16px;
    margin-bottom: 12px;
    font-weight: 600;
    transition: all 0.2s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.google-btn { background: #ffffff; color: #000000; }
.github-btn { background: #24292e; color: #ffffff; }
.x-btn { background: #000000; color: #ffffff; border: 1px solid rgba(255, 255, 255, 0.2); }

#mainApp { display: none; }

/* User Profile in Sidebar */
.user-profile-section {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(128, 128, 128, 0.1);
}

.user-info-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    margin-bottom: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(59, 130, 246, 0.5);
}

/* Toast Notification */
#toastContainer {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: rgba(20, 20, 20, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: slideDown 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    pointer-events: auto;
    min-width: 300px;
}

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

.toast.error { border-left: 4px solid #ef4444; }
.toast.success { border-left: 4px solid #10b981; border-color: rgba(16, 185, 129, 0.2); }

.settings-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(128, 128, 128, 0.1);
    border-radius: 24px;
    padding: 24px;
}
.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(128, 128, 128, 0.1);
    cursor: pointer;
}
.settings-item:last-child {
    border-bottom: none;
}