:root {
    --bg: #57114c;
    --card-bg: rgba(22, 27, 42, 0.8);
    --orange: #ced12f;
    --text: #ffffff;
    --text-dim: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
}

body {
    background: radial-gradient(circle at center, #031c2c 0%, #8fc5f7 100%);
    background-attachment: fixed;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    margin: 0;
    min-height: 100vh;
}

.navbar {
    display: flex;
    justify-content: space-between;
    padding: 20px 50px;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.logo { display: flex; align-items: center; gap: 10px; font-weight: bold; }
.logo-box { background: var(--orange); padding: 5px; border-radius: 8px; color: #000; }
.nav-info { color: var(--text-dim); font-size: 14px; }

.container { max-width: 1000px; margin: 0 auto; padding: 50px 20px; text-align: center; }

.hero h1 { font-size: 42px; margin-bottom: 10px; }
.orange { color: var(--orange); }
.hero p { color: #f1f5f9; margin-bottom: 40px; }

.steps { display: flex; justify-content: center; align-items: center; gap: 15px; margin-bottom: 40px; }
.step { border: 1px solid var(--border); padding: 8px 15px; border-radius: 20px; display: flex; align-items: center; gap: 8px; color: #fff; font-size: 14px; background: rgba(0,0,0,0.1); }
.step.active { background: var(--orange); color: #000; border-color: var(--orange); font-weight: bold; }
.line { width: 40px; height: 1px; background: var(--border); }

.main-card { 
    background: var(--card-bg); 
    border-radius: 20px; 
    padding: 40px; 
    border: 1px solid var(--border); 
    margin-bottom: 30px;
    backdrop-filter: blur(15px);
}

.visualizer { display: none; justify-content: center; gap: 5px; height: 40px; margin: 20px 0; }
.visualizer span { width: 6px; height: 100%; background: var(--orange); border-radius: 3px; animation: wave 0.6s infinite alternate; }

@keyframes wave { 
    from { transform: scaleY(0.3); opacity: 0.5; } 
    to { transform: scaleY(1.5); opacity: 1; } 
}

.btn-primary { 
    background: var(--orange); 
    border: none; 
    color: #000; 
    padding: 15px 35px; 
    border-radius: 12px; 
    font-weight: bold; 
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    margin: 0 auto; 
    font-size: 16px;
    transition: 0.3s;
}

.btn-primary:hover { transform: scale(1.05); }

.grid { display: flex; gap: 20px; text-align: left; }
.card { flex: 1; background: var(--card-bg); padding: 25px; border-radius: 20px; border: 1px solid var(--border); backdrop-filter: blur(15px); }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.content { color: #e2e8f0; font-size: 14px; line-height: 1.6; }

.orange-icon { color: var(--orange); }
.blue-icon { color: #60a5fa; font-size: 14px; }
.btn-outline { background: rgba(255,255,255,0.1); border: 1px solid var(--border); color: white; padding: 6px 12px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; gap: 5px; font-size: 12px; }

.summary-list { list-style: none; padding: 0; }
.summary-list li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }

.content {
    color: #e2e8f0;
    font-size: 14px;
    line-height: 1.6;
    height: 300px;
    overflow-y: auto;
    padding-right: 10px;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.content::-webkit-scrollbar {
    width: 6px;
}
.content::-webkit-scrollbar-thumb {
    background-color: var(--orange);
    border-radius: 10px;
}
.content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.nav-right { display: flex; align-items: center; gap: 20px; }

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05); 
    padding: 6px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px); 
}


.btn-login {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 40px; 
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-login:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}


.btn-register {
    text-decoration: none;
    color: #000;
    background: var(--orange);
    font-weight: 700;
    padding: 10px 25px;
    border-radius: 40px;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(206, 209, 47, 0.2);
}

.btn-register:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 15px rgba(206, 209, 47, 0.4);
    filter: brightness(1.1);
}

.file-upload-wrapper input[type="file"] {
    display: none;
}


.custom-file-upload {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed var(--orange);
    color: var(--orange);
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.custom-file-upload:hover {
    background: var(--orange);
    color: #000;
    box-shadow: 0 0 15px rgba(206, 209, 47, 0.4);
}

.custom-file-upload i {
    font-size: 20px;
}

.modal-overlay {
    display: none; 
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 30px;
    border: 1px solid var(--border);
    width: 400px;
    text-align: center;
}

.modal-content h3 { color: var(--orange); margin-bottom: 10px; }
.modal-content p { color: var(--text-dim); font-size: 14px; margin-bottom: 20px; }

.styled-input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(0,0,0,0.3);
    color: white;
    font-family: 'Open Sans', sans-serif;
}

.add-course-row { display: flex; gap: 10px; margin-bottom: 20px; }
.btn-secondary { background: rgba(255,255,255,0.1); color: white; border: none; padding: 0 15px; border-radius: 12px; cursor: pointer; }

.modal-buttons { display: flex; justify-content: center; gap: 15px; }
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}       

.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 20px; 
    text-align: left;
    align-items: start; 
    width: 100%;
    margin-top: 30px;
}

.btn-outline i {
    font-size: 16px;
    vertical-align: middle;
}

.grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr);
    gap: 20px; 
    width: 95%;
    max-width: 1200px;
    margin: 30px auto;
    align-items: start;
}

.card {
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--border);
    backdrop-filter: blur(15px);
    padding: 20px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.content {
    flex-grow: 1;
    height: 300px;
    overflow-y: auto;
    margin-top: 15px;
    font-size: 14px;
    line-height: 1.6;
}

    @media (max-width: 1000px) {
    .grid { grid-template-columns: 1fr; }
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 5px 10px;
    transition: all 0.3s ease;
}

/* Logonun Kendisi */
.logo img {
    height: 48px;
    width: 48px;
    object-fit: contain; 
    padding: 6px;
    background: rgba(255, 255, 255, 0.1); 
    backdrop-filter: blur(8px); 
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.2); 
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.2),
        inset 0 0 10px rgba(255, 165, 0, 0.1); 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}


.logo:hover img {
    transform: translateY(-2px) scale(1.05);
    border-color: var(--orange); 
    box-shadow: 0 6px 20px rgba(255, 165, 0, 0.3);
}

/* Yazı Kısmı */
.logo span {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, #ddd); 
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 {
    font-family: 'Poppins', sans-serif; 
    font-weight: 800; 
    font-size: 3.5rem; 
    letter-spacing: -1.5px; 
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2); 
}


.hero h1 .orange {
    color: var(--orange);
    position: relative;
    display: inline-block;
}

@media (max-width: 768px) {
    .navbar {
        padding: 10px 20px;
        height: auto;
        flex-direction: column;
        gap: 10px;
    }

    .hero h1 {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }

    .grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    #recordBtn {
        width: 100% !important;
        max-width: 300px;
    }

    .steps {
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
    }

    .steps .line {
        display: none;
    }

    .modal-content {
        width: 90%;
        margin: 20px;
        padding: 20px;
    }
}