/* ==========================================================================
   1) المتغيرات العامة (Light / Dark Theme)
   ========================================================================== */
:root {
    --page-bg-image: url('pn.svg'); /* بقيت الصورة كما أرسلتها في كودك الأخير */
    --overlay-color: rgba(0, 0, 20, 0);

    --card-bg: rgba(255, 255, 255, 0.2);
    --card-border: rgba(255, 255, 255, 0.5);
    --card-shadow: rgba(0, 0, 0, 0.2);

    --text-color: #004080;
    --text-color-soft: rgba(0, 64, 128, 0.6);

    --input-border: rgba(0, 64, 128, 0.4);
    --input-bg: transparent;

    --btn-bg: #004080;
    --btn-bg-hover: #002b5e;
    --btn-text: #fff;

    --modal-overlay: rgba(0, 0, 0, 0.6);
    --modal-bg: rgba(255, 255, 255, 0.9);
    --modal-desc-color: #555;

    --error-color: #ff4d4d;
    --success-color: #00b300;

    --icon-color: #004080;
}

html[data-theme="dark"] {
    --overlay-color: rgba(0, 0, 15, 0.55);

    --card-bg: rgba(15, 20, 30, 0.55);
    --card-border: rgba(255, 255, 255, 0.15);
    --card-shadow: rgba(0, 0, 0, 0.5);

    --text-color: #eaf2ff;
    --text-color-soft: rgba(234, 242, 255, 0.6);

    --input-border: rgba(234, 242, 255, 0.3);
    --input-bg: rgba(255, 255, 255, 0.04);

    --btn-bg: #12386b;
    --btn-bg-hover: #0a2647;

    --modal-overlay: rgba(0, 0, 0, 0.75);
    --modal-bg: rgba(20, 25, 35, 0.94);
    --modal-desc-color: #b7c3d6;

    --error-color: #ff6b6b;
    --icon-color: #eaf2ff;
}

/* ==========================================================================
   2) القاعدة العامة
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    transition: background-color 0.4s ease;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: var(--page-bg-image);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: var(--overlay-color);
    transition: background 0.4s ease;
    z-index: 0;
    pointer-events: none;
}

/* ==========================================================================
   3) مجموعة التحكم العلوية (زر اللغة + زر الوضع الليلي في أعلى اليسار)
   ========================================================================== */
.top-controls {
    position: absolute;
    top: 25px;
    left: 25px; /* تم نقلها لأعلى اليسار */
    right: auto;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 15px; /* المسافة المناسبة بين الزرين */
}

.lang-btn-small {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--btn-bg);
    color: #fff;
    border: none;
    padding: 0 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.3s ease, transform 0.2s ease;
}

.lang-btn-small:hover {
    background: var(--btn-bg-hover);
    transform: translateY(-1px);
}

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

/* زر الوضع الليلي */
.switch {
    position: relative;
    display: inline-block;
    width: 90px;
    height: 40px;
    border: none; 
    border-radius: 22px;
    transform: scale(0.85); 
    transform-origin: left center;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    inset: 0;
    background-color: black;
    border-radius: 20px;
    transition: 0.4s;
    overflow: hidden;
    cursor: pointer;
}

.slider:before {
    position: absolute;
    content: "";
    height: 30px;
    width: 30px;
    left: 4px;
    bottom: 5px;
    background-color: white;
    transition: 1s;
    border-radius: 50%;
    z-index: 3;
}

.moons-hole {
    position: absolute;
    opacity: 1;
    transition: 1s;
    z-index: 4;
}

.moon-hole {
    position: absolute;
    border-radius: 50%;
}

.moon-hole:nth-child(1) { background-color: rgb(85, 85, 85); height: 5px; width: 5px; top: 26px; left: 20px; }
.moon-hole:nth-child(2) { background-color: rgb(85, 85, 85); height: 10px; width: 10px; top: 16px; left: 7px; }
.moon-hole:nth-child(3) { background-color: rgb(85, 85, 85); height: 4px; width: 4px; top: 12px; left: 21px; }

input:checked + .slider { background-color: #62cff0; }
input:checked + .slider:before { transform: translateX(52px); background-color: orange; }
input:checked + .slider .moons-hole { transform: translateX(52px); opacity: 0; }

.stars { position: absolute; right: 6px; top: 0; bottom: 0; transition: 1s; z-index: 2; }
.star { position: absolute; fill: white; animation: star-twinkle 2s infinite; opacity: 1; }
.star:nth-child(1) { top: 5px; right: 29px; width: 20px; animation-delay: 0.3s; }
.star:nth-child(2) { top: 18px; right: 9px; width: 15px; }
.star:nth-child(3) { top: 5px; right: 15px; width: 10px; animation-delay: 0.6s; }
.star:nth-child(4) { top: 26px; right: 28px; width: 12px; animation-delay: 0.9s; }
.star:nth-child(5) { top: 2px; right: 50px; width: 8px; animation-delay: 1.2s; }
input:checked + .slider .stars { transform: translateY(-32px); opacity: 0; }

@keyframes star-twinkle { 0% { transform: scale(1); } 40% { transform: scale(1.2); } 80% { transform: scale(0.8); } 100% { transform: scale(1); } }

.clouds { position: absolute; left: 6px; top: 0; bottom: 0; width: 20px; transition: 1s; transform: translateX(-55px); z-index: 2; }
.black-clouds { position: absolute; left: 6px; top: 0; bottom: 0; width: 20px; transition: 1s; transform: translateX(-55px); opacity: 0; z-index: 1; }
.black-cloud { position: absolute; width: 20px; height: 20px; background-color: #555; opacity: 60%; border-radius: 50%; animation: cloud-move 6s infinite; animation-delay: 1s; }
.black-cloud:nth-child(1) { top: 1px; right: 3px; }
.black-cloud:nth-child(2) { top: 15px; left: 9px; }
.black-cloud:nth-child(3) { top: 20px; left: 27px; }
input:checked + .slider .black-clouds { transform: translateX(32px); opacity: 1; }

.cloud { position: absolute; width: 20px; height: 20px; background-color: white; border-radius: 50%; z-index: 2; animation: cloud-move 6s infinite; }
.cloud:nth-child(1) { top: 0; height: 21px; width: 21px; right: 14px; }
.cloud:nth-child(2) { height: 25px; width: 25px; border-radius: 50%; top: 14px; right: 6px; }
.cloud:nth-child(3) { height: 23px; width: 23px; top: 28px; left: 4px; }
.cloud:nth-child(4) { top: 26px; left: 20px; }
.cloud:nth-child(5) { top: 30px; left: 30px; }
.cloud:nth-child(6) { top: 27px; left: 46px; }
.cloud:nth-child(7) { top: 31px; left: 58px; }
input:checked + .slider .clouds { transform: translateX(32px); opacity: 1; }

@keyframes cloud-move { 0% { transform: translateX(-32px); } 40% { transform: translateX(-36px); } 80% { transform: translateX(-28px); } 100% { transform: translateX(-32px); } }

/* ==========================================================================
   4) عنصر الطائرة المتحركة
   ========================================================================== */
#planeSection {
    transition: all 1.5s ease-in-out, opacity 0.5s ease, visibility 0.5s ease;
    position: absolute;
    right: 30px;
    top: 30px;
    font-size: 40px;
    color: var(--icon-color);
    z-index: 1000;
    opacity: 1;
    visibility: visible;
}

/* إخفاء الطائرة بسلاسة عندما يكون الوضع ليلي */
html[data-theme="dark"] #planeSection {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.fly-away { transform: translate(100vw, -100vh) scale(0) !important; opacity: 0 !important; }
.shake { animation: shakeEffect 0.4s ease-in-out; }
@keyframes shakeEffect { 0% { transform: translateX(0); } 25% { transform: translateX(-10px) rotate(-10deg); } 50% { transform: translateX(10px) rotate(10deg); } 75% { transform: translateX(-10px) rotate(-10deg); } 100% { transform: translateX(0); } }

/* ==========================================================================
   5) البطاقة والشعار
   ========================================================================== */
.wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 0 20px var(--card-shadow);
    border-radius: 20px;
    padding: 40px;
    color: var(--text-color);
    transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.wrapper .logo {
    width: 280px; 
    max-width: 90%;
    display: block;
    margin: 0 auto 30px auto; 
    transition: opacity 0.3s ease;
}

/* ==========================================================================
   6) الحقول والنوافذ
   ========================================================================== */
.wrapper .input-box,
.modal-input-wrapper { position: relative; width: 100%; height: 50px; margin: 20px 0 40px; }

.wrapper .password-box,
.modal-input-wrapper.password-box,
.modal-input-wrapper.has-reqs { margin-bottom: 55px; }

.input-box input {
    width: 100%; height: 100%; background: var(--input-bg); border: 1px solid var(--input-border);
    outline: none; border-radius: 40px; font-size: 16px; color: var(--text-color);
    padding: 20px 45px; transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
.input-box input::placeholder { color: var(--text-color-soft); }

.input-icon, .toggle-icon { position: absolute; top: 50%; transform: translateY(-50%); font-size: 20px; color: var(--icon-color); }
.toggle-icon { cursor: pointer; }
.phone-ext { position: absolute; top: 50%; transform: translateY(-50%); font-size: 15px; font-weight: 700; color: var(--text-color); z-index: 10; direction: ltr; }

[dir="rtl"] .input-icon { right: 20px; } [dir="rtl"] .toggle-icon { left: 20px; }
[dir="rtl"] .phone-ext { right: 50px; border-left: 1px solid var(--input-border); padding-left: 8px; }
[dir="rtl"] .input-box input.has-ext { padding-right: 110px; }

[dir="ltr"] .input-icon { left: 20px; } [dir="ltr"] .toggle-icon { right: 20px; }
[dir="ltr"] .phone-ext { left: 50px; border-right: 1px solid var(--input-border); padding-right: 8px; }
[dir="ltr"] .input-box input.has-ext { padding-left: 110px; }

.password-reqs-inline, .phone-reqs-inline {
    position: absolute; bottom: -25px; font-size: 11.5px; display: none; flex-direction: row; flex-wrap: wrap; gap: 15px; transition: all 0.3s ease; width: 100%; color: var(--text-color); font-weight: 600;
}
[dir="rtl"] .password-reqs-inline, [dir="rtl"] .phone-reqs-inline { right: 20px; }
[dir="ltr"] .password-reqs-inline, [dir="ltr"] .phone-reqs-inline { left: 20px; }

.password-reqs-inline.show, .phone-reqs-inline.show { display: flex; }
.password-reqs-inline span, .phone-reqs-inline span { transition: all 0.3s ease; position: relative; display: inline-block; }
.password-reqs-inline span.valid-req, .phone-reqs-inline span.valid-req { opacity: 0.4; text-decoration: line-through; }
.phone-reqs-inline span.hide-req { display: none !important; }

.validation-msg { position: absolute; bottom: -22px; font-size: 11.5px; font-weight: 500; display: none; transition: 0.3s ease; }
.phone-error-msg { top: -22px; bottom: auto; color: var(--error-color); font-weight: 600; }
[dir="rtl"] .validation-msg { right: 20px; } [dir="ltr"] .validation-msg { left: 20px; }
.msg-error { color: var(--error-color); } .msg-success { color: var(--success-color); }

.wrapper .remember-forgot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 14.5px; margin: -15px 0 25px; color: var(--text-color); }
.remember-forgot label input { accent-color: var(--btn-bg); margin-left: 4px; vertical-align: middle; }
[dir="ltr"] .remember-forgot label input { margin-right: 4px; margin-left: 0; }
.remember-forgot a { color: var(--text-color); text-decoration: none; font-weight: 600; }
.remember-forgot a:hover { text-decoration: underline; }

.btn { width: 100%; height: 45px; background: var(--btn-bg); border: none; outline: none; border-radius: 40px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); cursor: pointer; font-size: 16px; color: var(--btn-text); font-weight: 600; transition: 0.3s; }
.btn:hover { background: var(--btn-bg-hover); }

.wrapper .register-link { font-size: 14.5px; text-align: center; margin: 25px 0 10px; color: var(--text-color); }
.register-link p a { color: var(--text-color); text-decoration: none; font-weight: 600; }
.register-link p a:hover { text-decoration: underline; }

/* ==========================================================================
   7) النوافذ المنبثقة (Modals)
   ========================================================================== */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--modal-overlay); backdrop-filter: blur(5px); display: none; justify-content: center; align-items: center; z-index: 2000; padding: 20px; }
.modal-content { background: var(--modal-bg); padding: 40px 30px; border-radius: 20px; width: 100%; max-width: 440px; max-height: 90vh; overflow-y: auto; text-align: center; position: relative; box-shadow: 0 0 20px rgba(0,0,0,0.3); color: var(--text-color); animation: fadeIn 0.3s ease-in-out; transition: background 0.4s ease, color 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

.close-modal { position: absolute; top: 15px; font-size: 28px; cursor: pointer; color: var(--text-color); transition: 0.3s; }
[dir="rtl"] .close-modal { left: 20px; } [dir="ltr"] .close-modal { right: 20px; }
.close-modal:hover { color: var(--error-color); }

.modal-content h3 { margin-bottom: 10px; font-size: 20px; }
.modal-desc { font-size: 13px; margin-bottom: 20px; color: var(--modal-desc-color); }
.modal-btn { margin-top: 10px; }
.modal-error { color: var(--error-color); font-size: 12px; margin: -10px 0 15px 0; display: none; }

.otp-container { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 25px; direction: ltr; }
.otp-input { width: 45px; height: 50px; text-align: center; font-size: 20px; font-weight: 600; border: 1px solid var(--input-border); border-radius: 10px; outline: none; color: var(--text-color); background: var(--input-bg); transition: 0.3s; }
.otp-input:focus { border-color: var(--btn-bg); box-shadow: 0 0 5px rgba(0, 64, 128, 0.3); }

/* ==========================================================================
   8) الاستجابة للشاشات الصغيرة (Responsive)
   ========================================================================== */
@media (max-width: 768px) {
    .wrapper { padding: 32px 26px; }
    .wrapper .logo { width: 220px; }
    #planeSection { font-size: 34px; top: 20px; right: 20px; }
    
    .top-controls { top: 20px; left: 20px; right: auto; }
}

@media (max-width: 480px) {
    body { padding-top: 90px; } 
    
    .wrapper { padding: 26px 20px; border-radius: 16px; margin: 0 auto; }
    .wrapper .logo { width: 180px; margin-bottom: 20px; }
    .wrapper .input-box, .modal-input-wrapper { height: 46px; margin: 24px 0 40px; }
    .input-box input { font-size: 14px; padding: 16px 40px; }
    
    [dir="rtl"] .input-box input.has-ext { padding-right: 95px; }
    [dir="ltr"] .input-box input.has-ext { padding-left: 95px; }

    .btn { height: 42px; font-size: 14.5px; }

    .top-controls { top: 15px; left: 15px; right: auto; gap: 10px; }
    .switch { transform: scale(0.7); }
    .lang-btn-small { height: 34px; padding: 0 12px; font-size: 12px; }

    #planeSection { font-size: 26px; top: 15px; right: 15px; }

    .modal-content { padding: 28px 18px; }
    .otp-input { width: 38px; height: 44px; font-size: 17px; }
    .otp-container { gap: 6px; }
}

@media (max-width: 340px) {
    .wrapper .logo { width: 140px; }
    .otp-input { width: 32px; height: 40px; font-size: 15px; }
    #planeSection { display: none; }
}