/* ================================================
   ESBI CRM - Login Sayfasi Stilleri
   Renk Paleti:
   - Ana Renk: #c40001 (Kirmizi)
   - Ikincil: #000000 (Siyah)
   - Arka Plan: #f0f2f5 (Acik Gri)
   ================================================ */

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

body {
    background-color: #f0f2f5;
    font-family: 'Roboto', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
}

/* Login Container */
.login-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Login Card */
.login-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    padding: 50px 45px;
    width: 500px;
    max-width: 500px;
}

/* Logo Alani */
.login-logo {
    text-align: center;
    margin-bottom: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-logo img {
    max-width: 150px;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
    margin: 0 auto;
}

.login-logo img:hover {
    transform: scale(1.02);
}

/* Form Gruplari */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #555;
    margin-bottom: 8px;
}

/* Input Alanlari */
.form-control {
    width: 100%;
    padding: 12px 15px;
    padding-left: 45px;
    font-size: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #fafafa;
    transition: all 0.2s ease;
    color: #333;
}

.form-control:focus {
    outline: none;
    border-color: #c40001;
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(196, 0, 1, 0.1);
}

.form-control::placeholder {
    color: #999;
}

/* Input Ikonlari */
.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 16px;
    pointer-events: none;
}

.form-group.with-label .input-icon {
    top: calc(50% + 12px);
}

/* Select Stili */
select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
}

/* Beni Hatirla Checkbox */
.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 25px;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #c40001;
    cursor: pointer;
}

.remember-me label {
    font-size: 14px;
    color: #555;
    cursor: pointer;
    user-select: none;
}

/* Giris Butonu */
.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    background-color: #c40001;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-login:hover {
    background-color: #a30001;
}

.btn-login:active {
    transform: scale(0.98);
}

.btn-login:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* Hata Mesaji */
.error-message {
    background-color: #fff5f5;
    border: 1px solid #ffcdd2;
    color: #c40001;
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}

.error-message.show {
    display: block;
}

/* Loading Durumu */
.btn-login.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-login.loading::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Tasarim */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 25px;
        margin: 10px;
        border-radius: 10px;
    }

    .login-logo img {
        max-width: 180px;
    }

    .form-control {
        padding: 11px 12px;
        padding-left: 40px;
        font-size: 14px;
    }

    .btn-login {
        padding: 12px;
        font-size: 15px;
    }
}

@media (max-width: 360px) {
    .login-card {
        padding: 25px 20px;
    }
}

/* ================================================
   TEMA DEGISTIRME BUTONU
   ================================================ */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 100;
}

.theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.theme-toggle i {
    font-size: 20px;
    color: #333333;
    transition: all 0.3s ease;
}

/* Acik mod - Kontrast ikonu (koyu moda gecmek icin) */
.theme-toggle i.icon-contrast {
    color: #333333;
}

.theme-toggle:hover i {
    transform: rotate(15deg);
}

/* Logo Gizleme (Tema icin) */
.logo-light,
.logo-dark {
    display: none;
}

.logo-light {
    display: block;
}

/* ================================================
   KOYU MOD STILLERI
   ================================================ */
html.dark-mode,
body.dark-mode {
    background-color: #121212;
    color: #ffffff;
}

body.dark-mode .login-card {
    background: #1e1e1e;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

body.dark-mode .form-control {
    background-color: #2d2d2d;
    border-color: #3d3d3d;
    color: #ffffff;
}

body.dark-mode .form-control:focus {
    background-color: #333333;
    border-color: #c40001;
    box-shadow: 0 0 0 3px rgba(196, 0, 1, 0.2);
}

body.dark-mode .form-control::placeholder {
    color: #888;
}

body.dark-mode select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

body.dark-mode .input-icon {
    color: #888;
}

body.dark-mode .remember-me label {
    color: #aaa;
}

body.dark-mode .error-message {
    background-color: #2d1f1f;
    border-color: #5c2d2d;
    color: #ff6b6b;
}

body.dark-mode .theme-toggle {
    background-color: #2d2d2d;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

body.dark-mode .theme-toggle i {
    color: #ffd43b;
}

/* Koyu Modda Logo Degisimi */
body.dark-mode .logo-light {
    display: none;
}

body.dark-mode .logo-dark {
    display: block;
}

/* Koyu Mod - Logo Golgesi */
body.dark-mode .login-logo img {
    filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.1));
}