* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    outline: 0;
    transition: all 0.3s ease-in-out;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #8e0038, #ff6384);
    height: 100vh;
    overflow: hidden;
}
.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
  }
a {
    text-decoration: none;
    color: #fff;
}

.container {
    display: flex;
    height: 100vh;
  }

.calculator {
    position: fixed;
    padding: 30px;
    border-radius: 25px;
    margin-left: 500px; /* împinge calculatorul spre dreapta */
    margin-top: -25px; 
    box-shadow: 0 0 40px rgba(255, 0, 64, 0.5);
    background-color: #fff;
    backdrop-filter: blur(10px);
    transition: background-color 0.5s, box-shadow 0.5s;
    
}

.theme-toggler {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #fff;
    cursor: pointer;
    z-index: 1;
    font-size: 20px;
}

.theme-toggler::before {
    content: '';
    height: 30px;
    width: 30px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background-color: #333;
    z-index: -1;
    box-shadow: 0 0 10px #fff;
}

.theme-toggler.active {
    color: #000;
}

#display {
    margin: 0 10px 20px;
    height: 120px;
    width: 100%;
    max-width: 320px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    font-size: 36px;
    font-weight: bold;
    overflow-x: auto;
    padding: 10px;
    border-radius: 15px;
    background-color: rgba(255, 255, 255, 0.3);
    box-shadow: inset 0 0 10px rgba(255, 0, 60, 0.3);
}

#display::-webkit-scrollbar {
    height: 4px;
}

button {
    height: 70px;
    width: 70px;
    border: none;
    border-radius: 50%;
    margin: 8px;
    font-size: 22px;
    font-weight: bold;
    cursor: pointer;
    background-color: #f0f0f0;
    transition: transform 0.2s ease, background-color 0.3s;
}

button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(255, 0, 80, 0.5);
}

button#equal {
    height: 150px;
    background-color: #ff4060;
    color: white;
    box-shadow: 0 0 15px #ff4060;
}

.calculator button#clear {
    background-color: #ffe5e5;
    color: #cc0033;
}

.calculator button.btn-number {
    background-color: #ffccd5;
    color: #000;
}

.calculator button.btn-operator {
    background-color: #ffcce0;
    color: #ff0077;
}

.calculator button.btn-equal {
    background-color: #ff4d6d;
    color: white;
}

/* dark theme */

.calculator.dark {
    background-color: #1a0a0f;
    box-shadow: 0 0 40px rgba(255, 0, 60, 0.7);
}

.calculator.dark #display {
    color: #fff;
    background-color: rgba(60, 0, 20, 0.3);
    box-shadow: inset 0 0 10px rgba(255, 0, 80, 0.4);
}

.calculator.dark button#clear {
    background-color: #3a1a1e;
    color: #ff4d5a;
}

.calculator.dark button.btn-number {
    background-color: #2b1b20;
    color: #f8fafb;
}

.calculator.dark button.btn-operator {
    background-color: #442233;
    color: #ff70a6;
}

.calculator.dark button.btn-equal {
    background-color: #aa0033;
    box-shadow: 0 0 15px #ff0033;
}
/* SIDEBAR */
.sidebar {
    width: 60px;
    background-color: #b22222;
    color: white;
    transition: width 0.4s ease;
    display: flex;
    flex-direction: column;
    padding: 10px;
    overflow: hidden;
    z-index: 10;
    
}

.sidebar:hover {
    width: 220px;
}

.sidebar ul {
    list-style: none;
    padding: 0;
    width: 100%;
    margin-top: 80px;
}

.sidebar li {
    padding:10px;
    border-bottom: 1px solid white;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.sidebar li:hover {
    background-color: white;
    color: #b22222;
}

.nav-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.item-icon {
    font-size: 1.5rem;
}

.item-txt {
    margin-left: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
}

.sidebar:hover .item-txt {
    opacity: 1;
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
   
    margin-top: 50px;
    z-index: 1;
}



/* LIGHT/DARK SWITCHER */
#theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-size: 1.8rem;
    background: #fff;
    color: #8b0000;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    z-index: 10000;
    transition: background-color 0.3s ease;
}

#theme-toggle:hover {
    background-color: #8b0000;
    color: #fff;
}

body.dark {
    background: linear-gradient(to right, #3b0a0a, #5a1f1f);
    color: white;
}

body.dark .main-content {
    background: rgba(255,255,255,0.05);
}

body.dark .sidebar {
    background: #3a0f0f;
    color: #eee;
}

body.dark .sidebar li:hover {
    background-color: #ffffff22;
    color: #fff;
}

/* SCROLL PROGRESS BAR */
#progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: #8b0000;
    z-index: 10000;
    transition: width 0.3s ease-in-out;
}

/* SCROLL PROGRESS BAR (when scroll progresses) */
#progress-bar.active {
    animation: progressFill 0.3s ease-out forwards;
}

@keyframes progressFill {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

/* RESPONSIVE STYLES */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 60px;
    }

    .sidebar:hover {
        width: 100%;
    }

    .sidebar li {
        font-size: 1.2rem;
    }

    .main-content {
        padding: 1rem;
    }
}

/* LOADER CORTINĂ CU ADN */
#loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100000;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

#loader-left, #loader-right {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background-image: url('assets/poze/fundal_rosu.png');
    background-repeat: no-repeat;
    background-size: 200% 100%;
    z-index: 2;
    transition: all 1s ease;
}

#loader-left {
    left: 0;
    background-position: left center;
}

#loader-right {
    right: 0;
    background-position: right center;
}

#loader-center {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
}

.site-title {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px #000;
}

#rotating-adn {
    width: 100px;
    height: 100px;
    animation: rotateADN 3s linear infinite;
    filter: drop-shadow(0 0 10px #ff4040);
}

@keyframes rotateADN {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.loader-close #loader-left {
    transform: translateX(-100%);
}
.loader-close #loader-right {
    transform: translateX(100%);
}
.loader-close #loader-center {
    opacity: 0;
    transition: opacity 0.4s ease;
}

/* Icona User în colțul din dreapta sus */
#user-icon {
    position: fixed;
    top: 10px;
    right: 20px;
    font-size: 5rem;
    color: #ffffff;
    cursor: pointer;
    z-index: 10000;
}

#user-toggle {
    position: fixed;
    top: 10px;
    right: 20px;
    font-size: 1.8rem;
    color: #eb3030; /* Culoare roșie pentru butonul care deschide meniul */
    cursor: pointer;
    z-index: 10001;
}

#user-toggle i {
    color: white; /* Setează culoarea iconiței de afisaj pe alb */
}

#user-menu {
    position: absolute;
    top: 45px;
    right: 0;
    background: rgb(198, 27, 27); /* Fundal roșu pentru meniu */
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    overflow: hidden;
    min-width: 140px;
    display: none;
    z-index: 10002;
}

#user-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

#user-menu li {
    padding: 10px 14px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#user-menu li:hover {
    background-color: #f2f2f2;
}

#user-menu li i {
    font-size: 1.1rem;
    color: #eb3030; /* Iconițele din meniu vor fi roșii */
}

/* Show menu when active */
#user-menu.show {
    display: block;
}

/* Dark mode adaptation */
body.dark #user-menu {
    background: #3b0a0a;
    color: white;
}

body.dark #user-menu li:hover {
    background-color: #5a1f1f;
}

/* Meniu User cu efect de tranziție */
#user-menu {
    position: absolute;
    top: 45px;
    right: 0;
    background: white; /* Fundal alb pentru meniul de utilizator */
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    overflow: hidden;
    min-width: 140px;
    display: block;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 10002;
}

#user-menu.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Meniu User cu fundal alb pentru tema deschisă */
#user-menu {
    position: absolute;
    top: 45px;
    right: 0;
    background: white;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    overflow: hidden;
    min-width: 140px;
    display: block;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 10002;
}

#user-menu.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Logo Styles */
 .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    left: -6px;
    position: relative;
    
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    
}
.logo-img:hover {
    transform: scale(1.2);
}


.logo-preview {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    z-index: 100;
    border: 2px solid #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    background-color: white;
    padding: 5px;
    border-radius: 8px;
}
.logo-preview img {
    width: 200px;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
}
.logo:hover .logo-preview {
    display: block;
}


.top-menu {
    width: 100%;
    background-color: #c0392b; /* Roșu plăcut */
    padding: 7px 20px; /* Creștem puțin padding-ul pentru a face bara mai mare */
    color: white;
    font-size: 20px; /* Mărim puțin fontul */
    font-weight: bold;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px; /* Înalțimea barei este mai mare */
}

.top-menu h1 {
    margin: 0;
    font-size: 20px;
    padding-left: 40px; /* Adăugăm puțin spațiu la stânga pentru a muta titlul spre dreapta */
}


.top-menu .icon {
    font-size: 28px; /* Mărimea icon-ului mai mare */
    margin-left: 10px;
}
/* Stiluri pentru bara de meniu în Dark Mode */
body.dark .top-menu {
    background-color: #8e1f1f; /* O nuanță mai închisă de roșu, dar încă plăcută */
}

body.dark .top-menu h1 {
    color: white; /* Asigurăm că textul rămâne alb în dark mode */
}

body.dark .top-menu .icon {
    color: white; /* Facem și iconițele albe în dark mode */
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
  }
  
  button, .button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: transform 0.3s;
  }
  
  button:hover, .button:hover {
    transform: scale(1.05);
  }