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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--bg-color, #1a1a2e) 0%, #0f3460 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--text-color, #ffffff);
    overflow-x: hidden;
}

/* Kayan Yazı Banner */
.scrolling-banner {
    background: linear-gradient(90deg, #e94560 0%, #ff6b9d 100%);
    padding: 12px 0;
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
    z-index: 1000;
}

.scrolling-text {
    display: inline-block;
    white-space: nowrap;
    animation: scroll 20s linear infinite;
    font-weight: 600;
    font-size: 16px;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Container */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

/* Login Box */
.login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    text-align: center;
    max-width: 450px;
    width: 100%;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.logo-container {
    margin-bottom: 30px;
}

.logo {
    max-width: 180px;
    height: auto;
    border-radius: 10px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

/* Başlıklar */
.main-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 35px;
    font-weight: 300;
}

/* Giriş Butonu */
.login-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--button-color, #16213e) 0%, #0f3460 100%);
    color: #ffffff;
    padding: 18px 60px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(22, 33, 62, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 30px;
    width: 100%;
    max-width: 300px;
}

.login-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(22, 33, 62, 0.6);
    background: linear-gradient(135deg, #0f3460 0%, var(--button-color, #16213e) 100%);
}

.login-button:active {
    transform: translateY(-1px);
}

.button-icon {
    width: 24px;
    height: 24px;
}

/* Güvenlik Bildirimi */
.security-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #28a745;
    font-size: 13px;
    font-weight: 500;
    padding: 12px;
    background: rgba(40, 167, 69, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.shield-icon {
    width: 20px;
    height: 20px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.footer p {
    margin: 5px 0;
}

.admin-link a {
    color: #ff6b9d;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.admin-link a:hover {
    color: #e94560;
    text-decoration: underline;
}

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .scrolling-text {
        font-size: 14px;
    }

    .login-box {
        padding: 40px 25px;
        margin: 20px;
    }

    .main-title {
        font-size: 26px;
    }

    .subtitle {
        font-size: 14px;
    }

    .login-button {
        padding: 16px 40px;
        font-size: 16px;
    }

    .logo {
        max-width: 150px;
    }
}

@media (max-width: 480px) {
    .scrolling-banner {
        padding: 10px 0;
    }

    .scrolling-text {
        font-size: 12px;
    }

    .login-box {
        padding: 30px 20px;
    }

    .main-title {
        font-size: 22px;
    }

    .login-button {
        padding: 14px 30px;
        font-size: 15px;
    }

    .security-notice {
        font-size: 11px;
    }
}