:root {
    --primary: #334E68;
    --primary-dark: #102A43;
    --primary-light: #486581;
    --accent: #243B53;
    --bg: #F0F4F8;
    --surface: #FFFFFF;
    --text: #102A43;
    --text-muted: #627D98;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 12px;
}

[data-theme="dark"] {
    --primary: #486581;
    --primary-dark: #627D98;
    --primary-light: #829AB1;
    --accent: #BCCCDC;
    --bg: #102A43;
    --surface: #243B53;
    --text: #F0F4F8;
    --text-muted: #9FB3C8;
    --glass: rgba(36, 59, 83, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Navbar */
.navbar {
    background-color: var(--surface);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
}

.logo i {
    font-size: 1.8rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: white;
}

.btn-accent {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-accent:hover {
    background-color: var(--primary-dark);
}

.btn-ghost {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.btn-ghost:hover {
    transform: rotate(180deg);
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background 0.2s ease;
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--primary);
}

/* Translation Section */
.translation-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.lang-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: var(--surface);
    padding: 10px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

select {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: var(--bg);
    color: var(--primary);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    outline: none;
}

.translation-boxes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.glass {
    background: var(--glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.premium-box {
    background: #000 !important;
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    color: #fff !important;
}

.premium-box textarea::placeholder {
    color: #666 !important;
    opacity: 1;
}

.premium-box textarea {
    background: transparent !important;
    color: #fff !important;
}

.premium-box .box-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: #888 !important;
}

.premium-box #target-text {
    color: #fff !important;
}

.premium-box #target-text.placeholder-text {
    color: #888 !important;
}

.output-box {
    display: flex;
    flex-direction: column;
    height: 260px;
    background: #000 !important;
    /* Premium black for results */
    color: #fff !important;
    border: 2px solid var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

#target-text,
#source-text {
    flex-grow: 1;
    font-size: 1.2rem;
    overflow-y: auto;
    padding: 1rem;
    color: #fff;
}

#source-text {
    border: none;
    resize: none;
    outline: none;
    font-family: inherit;
    width: 100%;
}

.placeholder-text {
    color: #888;
    font-style: italic;
}

.box-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.box-actions,
.box-results-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.actions {
    display: flex;
    justify-content: center;
}

/* Tashkeel Section */
.tashkeel-section {
    margin-top: 3rem;
    padding: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    padding: 2.5rem;
    width: 90%;
    max-width: 400px;
    position: relative;
    border-radius: var(--radius);
    text-align: center;
}

.library-box {
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.modal-content form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 1.5rem;
}

.modal-content input {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    font-family: 'Inter', 'Cairo', sans-serif;
}

.modal-content button {
    margin-top: 10px;
}

.error-msg {
    color: var(--danger);
    font-size: 0.85rem;
    margin: 0;
}

.library-list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.library-item {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 15px;
    border-radius: var(--radius);
    text-align: right;
}

.library-item .source {
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 5px;
}

.library-item .target {
    color: var(--text);
    margin-bottom: 10px;
}

.library-item .actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.hidden {
    display: none !important;
}

/* Footer */
.footer {
    margin-top: auto;
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* LTR Support */
body.ltr {
    direction: ltr;
}

body.ltr .ar {
    display: none;
}

body.ltr .en {
    display: inline;
}

body.rtl .ar {
    display: inline;
}

body.rtl .en {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .translation-boxes {
        grid-template-columns: 1fr;
    }
}