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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: #e0f2fe;
    min-height: 100vh;
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden;
}

.admin-login-wrapper {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* BRANDING SECTION */
.admin-branding {
    flex: 1;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    padding: 40px;
}

.brand-content {
    text-align: center;
    max-width: 400px;
}

.brand-icon {
    font-size: 80px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.admin-branding h1 {
    font-size: 48px;
    margin-bottom: 10px;
    font-weight: 700;
}

.admin-branding p {
    font-size: 16px;
    opacity: 0.8;
    margin-bottom: 40px;
}

.brand-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    opacity: 0.9;
}

.feature i {
    font-size: 18px;
}

/* LOGIN SECTION */
.admin-login-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    box-sizing: border-box;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    padding: 40px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-sizing: border-box;
}

.login-header {
    margin-bottom: 30px;
    text-align: center;
}

.login-header h2 {
    font-size: 28px;
    color: #e0f2fe;
    margin-bottom: 8px;
}

.login-header p {
    color: #cbd5e1;
    font-size: 14px;
}

/* FORM GROUPS */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #e0f2fe;
    margin-bottom: 8px;
    font-size: 14px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
}

.password-group-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-wrapper i {
    position: absolute;
    left: 12px;
    color: #94a3b8;
    font-size: 16px;
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    background: #f8fafc;
    box-sizing: border-box;
}

.input-wrapper input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.toggle-password {
    position: static;
    right: auto;
    background: none;
    border: none;
    color: #FFD700;
    cursor: pointer;
    font-size: 14px;
    transition: color 0.3s;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
}

.toggle-password:hover {
    color: #B8860B;
}

.error-message {
    color: #dc2626;
    font-size: 12px;
    margin-top: 6px;
    display: none;
}

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

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
    gap: 10px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
}

.remember-me input {
    cursor: pointer;
}

.forgot-password {
    color: #38bdf8;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
}

.forgot-password:hover {
    color: #06b6d4;
    text-decoration: underline;
}

.error-alert {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
    display: none;
}

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

.btn-login {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

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

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none;
}

.btn-login.loading .spinner {
    display: block;
}

.btn-login.loading #loginBtnText {
    display: none;
}

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

.back-link {
    text-align: center;
    margin-top: 20px;
}

.back-link a {
    color: #38bdf8;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.back-link a:hover {
    color: #06b6d4;
    text-decoration: underline;
}

/* =============================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ============================================= */

/* Tablets & Medium Devices (1024px+) - No changes needed */

/* Tablets Portrait (769px - 1024px) */
@media (max-width: 1024px) {
    .admin-login-wrapper {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }

    .admin-branding {
        flex: 0;
        padding: 30px 20px;
        min-height: auto;
    }

    .brand-icon {
        font-size: 64px;
        margin-bottom: 15px;
    }

    .admin-branding h1 {
        font-size: 36px;
    }

    .admin-branding p {
        font-size: 14px;
    }

    .brand-features {
        gap: 12px;
        margin-top: 20px;
    }

    .feature {
        font-size: 13px;
        gap: 10px;
    }

    .admin-login-container {
        padding: 30px 20px;
    }

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

/* Tablets Portrait (641px - 768px) */
@media (max-width: 768px) {
    .admin-login-wrapper {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }

    .admin-branding {
        flex: 0;
        padding: 24px 16px;
        min-height: auto;
    }

    .brand-content {
        max-width: 100%;
    }

    .brand-icon {
        font-size: 56px;
        margin-bottom: 12px;
    }

    .admin-branding h1 {
        font-size: 28px;
        margin-bottom: 8px;
    }

    .admin-branding p {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .brand-features {
        gap: 10px;
        margin-top: 16px;
    }

    .feature {
        font-size: 12px;
        gap: 8px;
    }

    .feature i {
        font-size: 16px;
    }

    .admin-login-container {
        padding: 20px 16px;
        min-height: auto;
    }

    .login-box {
        max-width: 100%;
        padding: 24px;
        border-radius: 10px;
    }

    .login-header h2 {
        font-size: 24px;
        margin-bottom: 6px;
    }

    .login-header p {
        font-size: 13px;
    }

    .form-group {
        margin-bottom: 18px;
    }

    .form-group label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .input-wrapper input {
        padding: 11px 11px 11px 36px;
        font-size: 15px;
    }

    .form-options {
        margin: 16px 0;
        gap: 8px;
    }

    .remember-me,
    .forgot-password {
        font-size: 12px;
    }

    .btn-login {
        padding: 11px;
        font-size: 14px;
        margin-top: 12px;
    }

    .back-link a {
        font-size: 12px;
    }
}

/* Small Phones (481px - 640px) */
@media (max-width: 640px) {
    html, body {
        width: 100%;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }

    .admin-login-wrapper {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
        width: 100%;
        padding: 0;
        margin: 0;
    }

    .admin-branding {
        flex: 0;
        padding: 16px 12px;
        min-height: auto;
        width: 100%;
        order: 2;
    }

    .brand-content {
        max-width: 100%;
        padding: 0;
    }

    .brand-icon {
        font-size: 44px;
        margin-bottom: 10px;
    }

    .admin-branding h1 {
        font-size: 22px;
        margin: 0 0 6px 0;
    }

    .admin-branding p {
        font-size: 12px;
        margin-bottom: 16px;
    }

    .brand-features {
        gap: 8px;
        margin-top: 12px;
    }

    .feature {
        font-size: 11px;
        gap: 6px;
    }

    .feature i {
        font-size: 14px;
        flex-shrink: 0;
    }

    .admin-login-container {
        padding: 16px 12px;
        width: 100%;
        order: 1;
        min-height: auto;
        justify-content: flex-start;
    }

    .login-box {
        max-width: 100%;
        width: 100%;
        padding: 18px;
        border-radius: 8px;
    }

    .login-header {
        margin-bottom: 20px;
    }

    .login-header h2 {
        font-size: 20px;
        margin-bottom: 4px;
    }

    .login-header p {
        font-size: 12px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        font-size: 12px;
        margin-bottom: 5px;
    }

    .input-wrapper input {
        padding: 10px 10px 10px 36px;
        font-size: 16px;
        width: 100%;
        border-radius: 6px;
    }

    .form-options {
        flex-wrap: wrap;
        margin: 14px 0;
        gap: 6px;
        justify-content: space-between;
    }

    .remember-me {
        font-size: 11px;
        flex: 1;
        min-width: 120px;
    }

    .forgot-password {
        font-size: 11px;
    }

    .btn-login {
        padding: 10px;
        font-size: 13px;
        margin-top: 10px;
    }

    .error-alert {\n        font-size: 12px;\n        padding: 10px;\n    }\n\n    .back-link a {\n        font-size: 11px;\n    }\n}\n\n/* Very Small Phones (Below 480px) */\n@media (max-width: 480px) {\n    html, body {\n        width: 100%;\n        overflow-x: hidden;\n        margin: 0;\n        padding: 0;\n    }\n\n    .admin-login-wrapper {\n        flex-direction: column;\n        height: auto;\n        min-height: 100vh;\n        width: 100%;\n        padding: 0;\n        margin: 0;\n    }\n\n    .admin-branding {\n        flex: 0;\n        padding: 12px 8px;\n        width: 100%;\n        order: 2;\n    }\n\n    .brand-content {\n        max-width: 100%;\n        padding: 0;\n    }\n\n    .brand-icon {\n        font-size: 36px;\n        margin-bottom: 8px;\n    }\n\n    .admin-branding h1 {\n        font-size: 18px;\n        margin: 0 0 4px 0;\n    }\n\n    .admin-branding p {\n        font-size: 11px;\n        margin-bottom: 12px;\n        line-height: 1.4;\n    }\n\n    .brand-features {\n        gap: 6px;\n        margin-top: 8px;\n    }\n\n    .feature {\n        font-size: 10px;\n        gap: 5px;\n    }\n\n    .feature i {\n        font-size: 12px;\n        flex-shrink: 0;\n    }\n\n    .admin-login-container {\n        padding: 12px 8px;\n        width: 100%;\n        order: 1;\n        min-height: auto;\n    }\n\n    .login-box {\n        width: 100%;\n        max-width: 100%;\n        padding: 14px;\n        border-radius: 6px;\n        margin: 0;\n    }\n\n    .login-header {\n        margin-bottom: 16px;\n    }\n\n    .login-header h2 {\n        font-size: 16px;\n        margin-bottom: 3px;\n    }\n\n    .login-header p {\n        font-size: 10px;\n    }\n\n    .form-group {\n        margin-bottom: 12px;\n    }\n\n    .form-group label {\n        font-size: 11px;\n        margin-bottom: 4px;\n    }\n\n    .input-wrapper input {\n        padding: 9px 9px 9px 34px;\n        font-size: 16px;\n        border-radius: 5px;\n    }\n\n    .input-wrapper i {\n        font-size: 14px;\n        left: 10px;\n    }\n\n    .password-group-container {\n        gap: 6px;\n    }\n\n    .toggle-password {\n        width: 28px;\n        height: 28px;\n        font-size: 12px;\n    }\n\n    .form-options {\n        flex-direction: column;\n        margin: 10px 0;\n        gap: 8px;\n        justify-content: flex-start;\n    }\n\n    .remember-me,\n    .forgot-password {\n        font-size: 10px;\n    }\n\n    .remember-me {\n        align-self: flex-start;\n    }\n\n    .forgot-password {\n        align-self: flex-start;\n    }\n\n    .btn-login {\n        padding: 10px;\n        font-size: 12px;\n        margin-top: 8px;\n        gap: 6px;\n    }\n\n    .error-alert {\n        font-size: 11px;\n        padding: 8px;\n        margin-bottom: 12px;\n    }\n\n    .back-link {\n        margin-top: 12px;\n    }\n\n    .back-link a {\n        font-size: 10px;\n        gap: 4px;\n    }\n}\n\n/* Extra Small Phones (Below 370px) */\n@media (max-width: 370px) {\n    .admin-login-wrapper {\n        min-height: 100vh;\n    }\n\n    .admin-branding {\n        padding: 10px 6px;\n    }\n\n    .brand-icon {\n        font-size: 30px;\n        margin-bottom: 6px;\n    }\n\n    .admin-branding h1 {\n        font-size: 16px;\n        margin: 0 0 3px 0;\n    }\n\n    .admin-branding p {\n        font-size: 9px;\n        margin-bottom: 10px;\n    }\n\n    .brand-features {\n        gap: 4px;\n        margin-top: 6px;\n    }\n\n    .feature {\n        font-size: 9px;\n        gap: 4px;\n    }\n\n    .feature i {\n        font-size: 10px;\n    }\n\n    .admin-login-container {\n        padding: 10px 6px;\n    }\n\n    .login-box {\n        padding: 12px;\n    }\n\n    .login-header h2 {\n        font-size: 14px;\n        margin-bottom: 2px;\n    }\n\n    .login-header p {\n        font-size: 9px;\n    }\n\n    .form-group {\n        margin-bottom: 10px;\n    }\n\n    .form-group label {\n        font-size: 10px;\n        margin-bottom: 3px;\n    }\n\n    .input-wrapper input {\n        padding: 8px 8px 8px 32px;\n        font-size: 14px;\n    }\n\n    .input-wrapper i {\n        font-size: 12px;\n        left: 8px;\n    }\n\n    .toggle-password {\n        width: 26px;\n        height: 26px;\n        font-size: 10px;\n    }\n\n    .btn-login {\n        padding: 8px;\n        font-size: 11px;\n        margin-top: 6px;\n    }\n\n    .back-link a {\n        font-size: 9px;\n    }\n}\n